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随时随地学习
随时随地学习
1、To tell you ________ truth, I went through the day with my mind in ________ fog.
A.the; / B./; a C.a; the D.the; a
2、This is a very interesting book. I’ll buy it, ________.
A．however much it may cost
B．no matter how it may cost
C．how much may it cost
D．however many it may cost
3、---Did you punish him for losing your digital camera？
---Yes, but I don't think I ______．
A．should do that
B．need to have done so
C．ought have done that
D．should have done so
4、Various student clubs are set up in many senior high schools to urge students to ________ the opportunities to cultivate their good virtues and qualities.
A. gain admission to B. make light of
C. keep faith with D. take advantage of
5、This car is important to our family. We would repair it at our expense _______ it break down within the first year.
A. could B. would
C. might D. should
6、About 10 million dolphins are said ________ in the past 15 years.
A. to have killed B. to kill
C. to have been killed D. to be killed
7、They______ jewellery since eight o'clock and had only just finished when two robbers broke in .
A.had been arranging B.were arranging
C.have been arranging D.had arranged
8、Mike is one of those people who just can’t save money. Every time he gets paid, _____.
A. he has ants in his pants B. he tightens his belt
C. he wears his heart on his sleeve D. the money burns a hole in his pocket
9、Water can absorb and give off a lot of heat without big changes in temperature , thus creating a environment .
A.peaceful B.sensitive C.common D.stable .
10、Hawking believes the earth is unlikely to be the only planet _____ life has developed gradually.
A. that B. why
C. where D. whose
11、—It’s really great to have a computer to store my photos.
—Don’t count on it too much. It ______ break down and you’d better make a copy of them.
A.must B.can C.should D.need
12、Jack was working in the lab __________ the power cut occurred.
A.suddenly B.which C.while D.when
13、________ “Double 11” somewhat overlaps with Valentine’ s Day and provides another occasion for lovers to buy each other gifts, most spending on that day doesn’t involve a change of single status.
A. Ever since B. In case C. Even though D. As though
14、When I was twenty, I had to________ before graduation and work in a clothes shop to help support my family.
A. come out B. stay out
C. leave out D. drop out
15、— Have you bought the house?
— No, because I can only _____ 300,000 dollars for it.
A. offer B. spend C. charge D. owe
16、How would you like ______ if the power went out when you were watching your favorite TV program?
A.them B.those C.it D.one
17、When they first came to the city, my parents often went to neighbors for a talk, just as they ________ in the countryside.
A. will do B. had done
C. have done D. were doing
18、—Do you have any idea why Jenny left the firm?
—Probably, she _______ for a pay rise, but was turned down.
A. has held out B. has been holding out
C. held out D. holds out
19、Most spending that results in debt is like a drug: a quick hit of pleasure that _____only to drag you down for years to come.
A.sets off B.shows off C.takes off D.wears off
20、The artist is said during the production and thus a pirated video was sold in every part of Kenya.
A. to be cheated B. being cheated
C. to have been cheated D. having been cheated
21、 According to a study published in the pre-print website bioRxiv, a team of Israeli scientists recorded tomato and tobacco plants producing sound frequencies which humans cannot hear in stressful situations—such as when they experienced a lack of water or their stems were cut. The team identified the sounds with microphones placed around 10 centimeters (around four inches) away from the plants, though the scientists say the noises could potentially be heard several feet away by some mammals and insects, such as mice.
Plants exposed to drought stress have been shown to experience cavitation (空化现象)— a process where air bubbles (气泡)form, expand and explode inside tissue that transports water. These explosions produce sound, but they have only ever been recorded using devices directly connected to the plants. The latest study, meanwhile, is the first to identify plants making sounds which can be detected over a distance. And the researchers say that cavitation could potentially be the source of these sounds.
The team detected the tomato plants made 35 sounds an hour on average when they were exposed to drought conditions, while the tobacco plants produced 11. When the stems of the plants were cut, the tomato plants made 25 sounds an hour on average and the tobacco plants produced 15. As a comparison, unstressed plants made less than one sound hour on aver-age, according to the study.
The team say that while they only tested tomato and tobacco. It's possible that other plants could also produce sounds, adding that the latest findings could have implications for agriculture. 'Plant sound emissions could offer a novel way for monitoring crops' water state—a question of vital importance in agriculture, ' the authors wrote in the study. 'More Precise irrigation can save up to 50 percent of the water consumption and increase the output, with dramatic economic implications. '
'According to Anne Visscher from the Royal Botanic Gardens, Kew, in the U. K., the idea that the sounds could be used in precision agriculture is 'practical' though she urges caution regarding the Israeli team's suggestion that other animals could hear the sounds at a distance, ' New Scientist reported.
【1】What do the Israeli scientists find about plants?
A.Stressed plants tend to lack water.
B.Some plants can understand humans' sounds.
C.Stressed plants can make more frequent sounds.
D.Some mammals and insects can communicate with plants.
【2】What can we learn about cavitation?
A.It may contribute to the plants' sounds.
B.It may lead to plants experiencing drought.
C.It is determined by the number of air bubbles.
D.It was identified and recorded for the first time.
【3】How many sounds do the tomato plants make per hour on average when cut?
A.11. B.15.
C.25. D.35.
【4】What's Anne Visscher's attitude to applying the study to agriculture?
A.Supportive. B.Cautious.
C.Reserved. D.Opposed.
22、 Aristotle believed the face was a window onto a person's mind. Today, facial expressions are still commonly thought to be a universally valid way to judge other people's feelings. A smile suggests happiness. A frown indicates sadness. However, an analysis of hundreds of research papers has uncovered a surprising conclusion there is no good scientific evidence to suggest that there are such things as recognisable facial expressions for basic emotions which are universal across cultures.
Lisa Feldman Barrett, a psychologist at Northeastern University in Boston, Massachusetts, and her colleagues found that, on average, adults in urban cultures scowled when they were angry 30% of the time. This meant that some 70% of the time they did not scowl when angry. A scowl, the researchers concluded, seemed valid for all six of the emotional categories: anger, disgust, fear, happiness, sadness and surprise.
All raise questions about the efforts of information-technology companies to develop artificial intelligence algorithms which can recognise facial expressions and work out a person's emotional state. Aleix Martinez, a computer engineer at Ohio State University, said that companies attempting to extract emotions from images of faces have failed to understand the importance of context.
Dr Martinez cited an experiment in which participants were shown a close-up picture of a man's face, which was bright red with his mouth open in a scream. Based on this alone, most participants said the man was extremely angry. Then the view zoomed out to show a football player with his arms outstretched, celebrating a goal. His angry-looking face was, in fact, a show of pure joy.
Given that people cannot guess each other's emotional states most of the time, Dr Martinez sees no reason computers would be able to. "There are companies right now claiming to be able to do that and apply this to places I find really scary and dangerous, for example, in hiring people," he says. "Some companies require you to submit a video CV, and then this is analysed by a machine-learning system. And depending on your facial expressions, they hire you or not, which I find really shocking and not only based on the wrong hypothesis, but a dangerous hypothesis."
【1】The main purpose of the passage is to________.
A．present the mistake associated with artificial intelligence
B．report the problem caused by misreading facial expressions
C．describe the relationship between facial expressions and emotions
D．introduce a danger experienced by information-technology companies
【2】Dr. Martinez cited the experiment in order to________.
A．reveal the mystery of the picture
B．emphasize the importance of context
C．show the significance of facial expressions
D．demonstrate the professionalism of his experiment
【3】What is Dr Martinez's attitude towards hiring people depending on their facial expressions?
A．Critical.
B．Indifferent
C．Neutral.
D．Favorable.
23、 Debates over the benefits of recycling started in 1996 when a writer called John Tierney said “recycling is garbage”. According to him, “Recycling programs offer mainly short-term benefits to a few related groups while diverting money from real social and environmental problems. It doubles energy consumption and pollution while costing taxpayers more money than dealing with old garbage. Recycling may be the most wasteful activity in modern America.”
Environmental groups were quick to respond to Tierney by issuing reports detailing the benefits of recycling and showing how municipal (市政的) recycling programs reduce pollution and the use of resources while decreasing the amount of garbage and the need for landfill space — all for less, not more, than the cost of regular garbage collection and disposal(处置).
But in 2002, New York City, an early municipal recycling pioneer, found that its much-praised recycling program was losing money, so it eliminated glass and plastic recycling. According to the Mayor, the benefits of recycling plastic and glass were outweighed by the price—-recycling cost twice as much as disposal. Meanwhile, low demand for the materials meant that much of it was ending up in landfills anyway. NYC closed its last landfill and brought in a more efficient system, with more famous service providers than it had used previously.
The lessons learned by New York are applicable everywhere. Some early recycling programs waste resources and lead to new trash. But the situation has improved as cities have gained experience. If managed correctly, recycling programs should cost cities and taxpayers less than garbage disposal for any given amount of material. Even though the benefits of recycling over disposal are various, individuals should keep in mind that it better serves the environment to reduce and reuse materials before recycling even becomes an option.
【1】John Tierney thought that recycling ___________.
A.is a waste of money
B.leads to a lack of employers
C.is beneficial to the environment
D.will become popular in the future
【2】What’s the meaning of the underlined word “eliminated” in Paragraph 3?
A.Required. B.Forgot.
C.Encouraged. D.Cancelled.
【3】What does the last paragraph imply?
A.We should make recycling an option.
B.Public recycling programs are in a bad situation.
C.We should develop the awareness of resource saving.
D.Cost-saving should be considered first in recycling work.
【4】What can be the best title for this passage?
A.The harm of recycling
B.Is recycling really beneficial?
C.The recycling work in New York City
D.Is environmental protection making progress?
24、阅读下列短文，从每题所给的A、B、C、D 四个选项中，选出最佳选项.
Do you know electricity can change the way we taste food? Proving this fact is a revolutionary electric fork designed by Japanese researchers that can make any dish taste salty.
According to Hiromi Nakamura, a Post Doc Research Fellow at
Tokyo’s Meiji University, the technology can be very useful for people on
special diets. Patients with high blood pressure, for instance, can easily go
on a low-salt diet and still enjoy delicious food. And with the fork, there’s absolutely no risk of over-salting their food. Luckily, the voltage(电压) is so small that there is no risk of electrocution(触电) either.
The idea of adding electricity to food was first exposed as an experiment at the Computer
Human Interaction Conference in Austin, Texas, in 2012. Nakamura and her team connected a wire
to a 9-volt battery and passed it through a straw placed in a cup of sweet lemonade. Volunteers
reported that the charged lemonade tasted ‘blander’, because the electricity created the taste of salt.
Nakamura has improved the technology to be able to transfer an electric charge to food through
forks and chopsticks. “The metallic part of the fork is one electrode（电极）, and the handle is the
other,” Nakamura explained. “When you take a piece of food with the fork and put it in your mouth,
you connect the circuit. When you remove the fork from your mouth, you disconnect the circuit. So
it actually works as a switch.”
Simon Klose, host of food program Munchies, who recently visited Nakamura to try out the
fork himself, called this form of ‘food hacking’ one of the greatest eating experiences he’d ever had.
“When I first heard of electric food, it sounded scary,” he said. He later continued to use a charged
fork to eat pieces of fried chicken, and found that the saltiness considerably increased as the electricity was connected.
Nakamura has been eating ‘electric’ food for the past three to four years in an attempt to
understand it better. “For me, ‘food hacking’ is about strengthening or weakening real food,” she
said. “It may seem like we’re cooking but we’re actually working on the human senses.”
【1】The electric fork may benefit people who__________.
A. need to go on a diet B. have high blood pressure
C. prefer food free of salt D. show interest in tasty food
【2】 Paragraph 4 mainly tells us _________.
A. how the electric fork works
B. what makes the circuit connected
C. how the technology was improved
D. why the electric fork was invented
【3】 From the passage, we learn that the electric fork______.
A. creates virtual taste B. changes people’s diets
C. helps cure diseases D. replaces salt in cooking
25、 Mary and her husband Dimitri _______ in the small village of Perachora in southern Greece. One of Mary’s prize possessions was a little white _______ which her husband had given her. She kept it _______ to a tree in a field during the day and went to fetch it every _______. One evening, however, the lamb _______. The rope had been cut, so it was obvious that the lamb had been _______.
When Dimitri came in from the fields, his wife told him what had happened. Dimitri at once _______ to find the thief. He knew it would not be _______, in such a small village. After telling several of his friends about the _______, Dimitri found out that his neighbour, Aleko, had __________ acquired a new lamb. Dimitri immediately went to Aleko’s house and angrily __________ him of stealing the lamb. He told him he had better __________ it or he would call the police. Aleko didn’t __________ taking it and led Dimitri into his back yard. It was true that he had just bought a lamb, he __________, but his lamb was black.__________ of having acted so rudely, Dimitri __________ to Aleko for having accused him. While they were talking it began to rain and Dimitri stayed in Aleko’s house __________ the rain stopped. When he went outside half an hour later, he was __________ to find that the little black lamb was almost __________. Its wool, which had been dyed black, had been __________ clean by the rain!
【1】A.traveled B.arrived C.lived D.worked
【2】A.lamb B.dog C.cow D.horse
【3】A.attached B.added C.tied D.applied
【4】A.day B.hour C.week D.evening
【5】A.was running B.was missing C.removed D.lost
【6】A.killed B.sold C.stolen D.disappeared
【7】A.put out B.came out C.made out D.set out
【8】A.difficult B.formal C.true D.false
【9】A.village B.people C.theft D.story
【10】A.suddenly B.again C.already D.then
【11】A.blamed B.argued C.accused D.charged
【12】A.return B.refuse C.hand D.find
【13】A.admit B.insist C.allow D.enjoy
【14】A.told B.explained C.sighed D.talked
【15】A.Convinced B.Informed C.Ashamed D.Robbed
【16】A.acknowledged B.admired C.advocated D.apologized
【17】A.before B.until C.after D.when
【18】A.excited B.sad C.astonished D.disappointed
【19】A.black B.colourful C.grey D.white
【20】A.washed B.transformed C.turned D.dashed
26、阅读下面材料，根据其内容和所给段落开头语续写两段，使之构成一篇完整的短文。
It seemed like it had only been a few years ago that Indigo had first rushed through our door. Her underbelly showed the signs of the litter she’d recently delivered. She had a nose for trouble. On one occasion, I had come home to find that she’d eaten a five-pound bag of flour. She was covered in white powder, and flour paw prints were everywhere, including, incredibly, on the countertops(台板). I asked the dog what the hell had happened, and Indigo just looked at me with a glance that said, I cannot imagine what you are referring to.
Time raced by. Our children grew up and went off to university. The mirror, which had reflected a young mum when Indigo first arrived, now showed a woman in late middle age. I had surgery for cataracts(白内障). I began to lose my hearing. We all turned grey: me, my spouse(配偶), the dog.
In August 2017, I took Indigo for one last walk. She was slow and unsteady on her paws. She looked up at me sadly. You did say you’d take care of me when the time came, she said. You promised, Jenny. She died that month, a tennis ball by her side. I’d owned a succession of dogs since 1964, each one of them a witness to a particular stage of my life. But with the loss of Indigo, all that was over. The days of my dogs, I now understood, were done at last.
But one morning, as I was passing the Bed ’n’ Biscuit in my car, somehow I pulled over. I could at least lay eyes upon one cute dog, a tiny sweet thing. What harm could it do? She had a soft face.
Not long after, I got a call from the Bed ’n’ Biscuit, our dog daycare(日托所). One of their customers was leaving, and her dog which was the one I saw that morning, Chloe, needed a home. Given our recent loss, they asked, might our family be interested in adopting her?
注意：
1. 所续写短文的词数应为150左右；
2. 续写部分分为两段，每段的开头语已为你写好；
Paragraph 1：
I told them that we were sorry but we wouldn’t be adopting any more dogs.
__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Paragraph 2：
When Chloe entered our house, she was cautious, uncertain.
__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
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