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Discoveries about the nature of DNA in the 1940s made1. ________ possible for cloning experiments to progress. In 1944 the discovery 2.________ genetic information for each cell was kept in the cell’s DNA gave scientists new ways to attempt 3.________ (clone) animals.
The first cloned animal was a tadpole4. ________ was cloned in 1952. Thomas J. King and Robert W. Briggs believed, based on their clones, that young cells were more viable (可生长发育的) for the cloning process than adult cells.
The next successful cloning experiments also resulted 5.________ cloned frogs. John Gurdon cloned South African frogs in 1962. His experiments proved that the previous theory that adult cells were 6.________ (able) to be used in the cloning process was wrong. From 1962 to 1965, more frog clones were created from adult frog cells.
While animal cloning had been the focus of cloning experiments, the 1960s also saw7. ________ types of cloning. In 1964 F. C. Steward 8.________ (undertake) an experiment in which he took an adult cell from a carrot plant and successfully cloned the plant.
So far more than 20 different animals, 9.________ (include) dogs, cats, and the famous Dolly, have been cloned, 10. ________ human cloning research has been forbidden in many countries.
高二英语语法填空中等难度题
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A recent survey shows that storytelling ranks before television or video games among pastimes for kids. The survey was carried out among 500 children aged 3—4 in Britain, of __1. over three—quarters said they wished their parents could read to them more often. Almost two—thirds of the kids said reading a story with their parents helped them sleep 2. （well）and more easily.
According to the survey, there are two ways for parents 3. （become）good storytellers. They can use 4. （fun）voices to show different characters in a story. They can also make their own special sounds to keep the story 5. （interest）and attractive. When Mum and Dad aren’t at hand, over 30％of kids would like to hear 6. bedtime story from famous people like Harry Potter star Daniel Radcliffe. Other movie stars like Zac Efron, Miley Cyrus and Emma Watson 7. （welcome）by children, too.
“ 8. can be very difficult for parents to find the time to read with their children. But these moments can help build close relationship 9. parents and children, and also can play an important part in their child’s 10. （develop）,” said child psychologist Woolfson.
高二英语语法填空中等难度题查看答案及解析
阅读下面材料，在空白处填入适当的内容（不多于3个单词）或括号内单词的正确形式。
A recent survey shows that storytelling ranks before television or video games among pastimes for kids. The survey was carried out among 500 children aged 3—4 in Britain, of __1. over three—quarters said they wished their parents could read to them more often. Almost two—thirds of the kids said reading a story with their parents helped them sleep 2. （well）and more easily.
According to the survey, there are two ways for parents 3. （become）good storytellers. They can use 4. （fun）voices to show different characters in a story. They can also make their own special sounds to keep the story 5. （interest）and attractive. When Mum and Dad aren’t at hand, over 30％of kids would like to hear 6. bedtime story from famous people like Harry Potter star Daniel Radcliffe. Other movie stars like Zac Efron, Miley Cyrus and Emma Watson 7. （welcome）by children, too.
“8. can be very difficult for parents to find the time to read with their children. But these moments can help build close relationship 9. parents and children, and also can play an important part in their child’s 10. （develop）,” said child psychologist Woolfson.
高二英语语法填空简单题查看答案及解析
阅读下面材料，在空白处填入适当的内容（不多于3个单词）或括号内单词的正确形式。
According to a recent worldwide survey of Internet users, six out of ten say friends' social media posts influence their online purchases. That has now given some users of the "Moments"（朋友圈）function on WeChat the idea of turning their "friends" into 1. (customer).
One woman said 2. she makes money as a middleman, or "purchasing agent". She added a few manufacturers of fake handbags to her friends list and posts pictures of the handbags on her own account.
When a friend is interested in 3. (buy) a bag, she/he pays her the money and she 4. (have) the manufacturer send the goods. "There are zero costs for storage and logistics (物流)," she says. "And I make a profit simply from the price 5. (different). It's a nice business model, but the woman seemed 6. (surprising) unconcerned that she was doing something7. (legal) by selling fakes to her friends.
Social media is making it much 8. (easy) to stay connected with friends and to share your experiences with them. And it's OK to "recommend" something that you bought and that you really like. 9. it's not OK to pressure them into buying something or to try to make money from your friends. 10. (turn) your friends into customers is a sure way to lose those friends.
高二英语语法填空中等难度题查看答案及解析
阅读下面材料，在空白处填入适当的内容（1个词）或括号内单词的正确形式。将答案填写在答题卡的相应位置。
According to a recent worldwide survey of Internet users, six out of ten say friends’ social media posts influence their online purchases. That has now given some users of the “Moments”（朋友圈）function on WeChat the idea of turning their “friends” into _1._ (customer).
One woman said _2. she makes money as a middleman, or “purchasing agent”. She added a few manufacturers of fake handbags to her friends list and posts pictures of the handbags on her own account.
When a friend is interested in _3._ (buy) a bag, she/he pays her the money and she _4._ (have) the manufacturer send the goods. “There are zero costs for storage and logistics (物流),” she says. “And I make a profit simply from the price _5. (different).” It’s a nice business model, but the woman seemed 6. (surprising) unconcerned that she was doing something 7._ (legal) by selling fakes to her friends.
Social media is making it much _8._ (easy) to stay connected with friends and to share your experiences with them. And it’s OK to “recommend” something that you bought and that you really like. _9._ it’s not OK to pressure them into buying something or to try to make money from your friends. _10._ (turn) your friends into customers is a sure way to lose those friends.
高二英语语法填空中等难度题查看答案及解析
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阅读下面材料，在空白处填入适当的内容（不多于3个单词）或括号内单词的正确形式。
Until recently daydreaming was viewed as a waste of time or it 1. (consider) an unhealthy escape from real life and its duties．But now some people are taking a fresh look at daydreaming．Some think it may be a very 2. (health) thing to do．Some researchers are finding that daydreaming may be important to mental health．Daydreaming, they tell us, 3. a good means of relaxation．But its benefits go 4. this．A number of psychologists have conducted experiments and have reached some 5. (surprise) conclusion．
Dr．Joan T．Freyberg has concluded that daydreaming contributes growth．It also improves 6. (concentrate),attention span, and the ability to get along with others．Industrialist Henry J．Kaiser believed that much of his success was due 7. the positive use of daydreaming．Florence Nightingale dreamed of becoming a nurse．The young Thomas Edison pictured 8. as an inventor．
For these notable achievers, it appears that their daydreams came 9. ．Dr Harry Emerson Fosdick offered this advice: “Hold a picture of yourself…in your mind’s eye, and you will be drawn toward it．Picture yourself 10. (vivid) as defeated and that alone will make victory impossible．
高二英语填空题中等难度题查看答案及解析
阅读下面材料，在空白处填入适当的内容（不多于3个单词）或括号内单词的正确形式。
During a recent Senior Three English lesson, the teacher caught Xiao Di, 1. female student, busily typing messages on her cell-phone. To the teacher’s surprise, Xiao Di wasn’t just texting her friends the latest small talk. She was 2. (actual) blogging about what was being taught in the classroom, sharing her opinions about the information and material 3. her classmates.
The case caused a heated 4. (discuss) among teachers and students city-wide. Miss Li, an English teacher from another nearby school said, “I am amazed at how 5. (create)the students can be when writing on their blogs. To me it’s a great way for students to improve their writing skills while writing about personal feelings and 6. (experience).” 7. other teachers are worried that blog-addiction may disturb their students’ study.
A supporter and classmate of Xiao Di said, “We love her blog! We all read it each day and can’t wait to see 8. she writes about next. Her interesting stories and great suggestions on study really help to encourage us. And it adds a little fun to our stressful life.” Another student blogger admitted that he often works late into the night, writing his blog and responding to comments 9. (post) there. He said, “Sometimes I don’t even have time to finish my homework. I can’t help myself. I really have a lot 10. (say). ”
高二英语语法填空中等难度题查看答案及解析
阅读下面材料，在空白处填入适当的内容(不多于3个单词)或括号内单词的正确形式。
Beer and fried chicken — this combo (组合餐)has recently become the 1.(popular) late-night snack eaten inside dorms and documented in weibo and WeChat updates. Thanks to the popular South Korean drama Man From the Stars, this new mix-and-match junk food trend has been very popular 2. young audiences despite its 3.(healthy) nature. Indeed, K-dramas have been 4. major force in the South Korean pop culture wave 5. has captured (捕获) the hearts of young Chinese. Apart from pretty faces, fashion is 6. exciting part. Critics and Industry insiders agree that the recipe for K-dramas’ success 7.(consist) of several main ingredients— handsome and cute stars 8.(dress) in the latest fashion trends, youth fantasies, and 9.(create) storylines (故事情节）. With love triangles, serious diseases, and Cinderella tales, the storylines in K-drama might seem commonplace. Man From the Stars challenges this norm by 10. (combine) aliens and time travel into these standard stories.
高二英语语法填空困难题查看答案及解析
阅读下面材料，在空白处填入适当的内容（不多于3个单词）或括号内单词的正确形式。
Until recently daydreaming was viewed as a waste of time or it 1. (consider) an unhealthy escape from real life and its duties. But now some people are taking a fresh look at daydreaming. Some think it may be a very 2. (health) thing to do. Some researchers are finding that daydreaming may be important to mental health. Daydreaming, they tell us, 3. a good means of relaxation. But its benefits go 4. this. A number of psychologists have conducted experiments and have reached some 5. (surprise) conclusion.
Dr. Joan T. Freyberg has concluded that daydreaming contributes growth. It also improves 6.(concentrate),attention span, and the ability to get along with others. Industrialist Henry J.Kaiser believed that much of his success was due 7. the positive use of daydreaming. Florence Nightingale dreamed of becoming a nurse. The young Thomas Edison pictured 8. as an inventor.
For these notable achievers, it appears that their daydreams came 9. .Dr Harry Emerson Fosdick offered this advice: “Hold a picture of yourself…in your mind’s eye, and you will be drawn toward it. Picture yourself 10. (vivid) as defeated and that alone will make victory impossible.
高二英语语法填空中等难度题查看答案及解析
阅读下面材料，在空白处填入适当的内容（不多于3个单词）或括号内单词的正确形式。
In recent years, a new idea 1. is called a “naked marriage” has arisen as the cost of living goes up. It has become a new trend for many young people in China. With a small marriage certificate in hand, they get married. And for the couples in a “naked marriage”, this certificate also contains other 2. (meaning).
A resident from Chengdu said, “There are many people like us born in 3. 1980s. Our families cannot afford 4. (buy) us new apartments, cars, let alone diamond rings. I think that's very normal for regular families. We must make a better future on 5. (we) own.”
A graduate of Sichuan University said, “The most important element in a marriage 6. (be) love. I believe our living conditions will 7. (gradual) get better.”
A professor says a “naked marriage” is in direct contradiction to China's 8. (tradition) marriage customs. However, as living costs continue to rise, this phenomenon may become more popular in the future.
But not all people have a positive opinion about a “naked marriage”. According to a survey 9. (conduct) by sohu.com, only about 40% of the 3, 500 people surveyed like the idea of a “naked marriage”. About 80% of men support a “naked marriage”, 10. there are also 70% of women not supporting the idea because they think these marriages are not stable.
高二英语语法填空中等难度题查看答案及解析
阅读下面材料，在空白处填入适当的内容（不多于3个单词）或括号内单词的正确形式。
China has once again showed its ability to change the world with its “new four great 1.(invent)”—high-speed rail, electronic payment, shared bicycle, and online shopping.
China’s new-generation high-speed train, the Fuxing, is now one of the 2.(fast) trains in the world, which can travel at a speed of 350 km/h. Besides high-speed rail, China 3.(improve) people’s lives in many other innovative(创新的) ways over the last decade.
Bike sharing, for example, is not new itself. But China has made 4. much more convenient and popular both in China 5. overseas. When riding a shared bike, you can stop 6.(buy) and eat whatever you want 7.(simple) with a tap of your phone. You can easily pay with your smart phone by 8.(scan) the seller’s QR code. Cashless payment has grown into a 9.(choose) for Chinese people—even a pancake seller is using Alipay.
Besides, the four innovative ways of life are most appealing 10. youths from 20 countries participating in the Belt and Road innovation, and they wish their countries would emulate (效仿) China in terms of technological achievements.
高二英语语法填空简单题查看答案及解析