Unit5 Look into Science
一、单项选择
1.
A. since A. repeated
B. if B. refused
C. until C. researched
D. unless D. recognized
2.3.--- No problem.
A. instructions A. buy A. is made of A. Even if A. turn down A. those A. why A. who
B. inventions B. to buy B. is made from B. Because B. turn on B. which B. where B. whose
C. invitations C. bought C. is made into C. As soon as C. turn off C. that C. which C. whom
D. interviews D. buying D. is made up of D. However D. turn over D. whom D. who D. which
4.5.6.7.8.9. 二、完形填空
Have you ever heard of the satellite(卫星) called the Early Bird, which was built by a group of scientists from 14 countries? Up till now dozens of satellites have been put into people in many ways.
You can speak to people on the other side of the world over the telephone with the help of a satellite. 农业).
and TV programs from one part of the world to another. It is the satellites that make our world seemA number of research stations have been set up to study the outer space. In the past, it was difficult for
men.
11. A. room 12. A. moon 13. A. found 14. A. discovery 15. A. weather 16. A. bigger 17. A. clean 18. A. but 19. A. collect 20. A. lines
B. earth B. stars B. made B. wonder B. communication B. longer B. clear B. when B. make B. traffic
C. space C. sun C. lost C. interest C. computer C. smaller C. complete C. and C. hide C. holes
D. air D. sky D. put D. help D. traveling D. shorter D. fresh D. so D. know D. bridges
三、阅读理解
A
What should you take in with you when you take an exam? Pen, pencil, eraser, ruler…, and don't forget a bottle of water!
According to a study at the British Psychological( 心理学的) Society Annual Conference held in London, students who bring water into exams may improve their grades by up to 10 percent.
Scientists at the University of East London and the University of Westminster, UK, did a study on 447 students. The students were studying for different degrees(学历) at the University of East London. Only 25 percent of them entered the exam hall with something to drink.
Scientists then compared their exam results with their normal schoolwork grades. They found that all those who had brought drinks with them got better grades by between 2 and 10 percent.
It is unclear why drinking water improves exam results. But scientists say having enough water in our 焦虑), which has a bad effect on exam performances, according to Chris Pawson, PhD, of the University of East London.
"Whatever the explanation, it is clear that students should try hard to stay hydrated(含水的) with water during exams," he said.
So next time, when you are going to have a big exam, try bringing a bottle of water with you. Who knows—it may help you pass the exam!
21. How much may the students improve their grades most if they bring water into exams?
A. By 2%. B. By 8%. C. By 10%. D. By 25%.
22. How many students in the study got better grades?
A. About 112 students who brought drinks or water into their exams. B. All the 447 students who come from the University of East London. C. About 300 students who took part in the study.
D. About 10 percent of the students who studied different subjects.
A. increase B. bring C. reduce D. change
24. According to the passage, how does water help students in exams?
a. It is good for their brains.
b. It makes students smarter.
c. It helps students stay cool.
d. It helps students stay awake.
A. a b A. Fashion magazine. C. Travel guide. B. a c C. b c B. Text book. D. Newspaper. D. c d 25. Where can you probably read the article?
B
Have you ever rubbed your hands together when they get cold? Why do we do that? We do that for faster you rub two things together, the more friction (and heat) you can make. Let's discover friction! WHAT YOU'LL NEED:
● Soap ● Water ● Your hands!
WHAT TO DO:
①Make sure your hands are dirty.
②Rub your hands together until you feel the heat of your hands.
③Now, use soap and water to get your hands very slippery(滑的).
④Try to make friction happen while your hands are slippery.
⑤Please write down what has happened.
LET'S TALK!
Friction is an energy that happens when two things tub together. When friction happens, it makes heat! When your hands are slippery, they won't make very much friction and your hands won't get so hot. DID YOU KNOW?
● Friction happens when you stop your fast running bike.
● Ancient people made fires by rubbing two pieces of wood together. Friction happened though they didn't know it. Friction is everywhere. Have you ever noticed situations where friction is happening? If not, ask your parents to take you out in a car. If it is not hot, touch the tires(轮胎) of the car before and after a short drive to see how much warmer they get from friction.
A. a science report C. a rubbing introduction A. slippery B. dry B. a car advertisement D. a chemistry programme C. wet D. smooth 28. What does the word "friction" in this text mean in Chinese?
A. 摩擦 A. Bike riding C. Hands rubbing A. THINK IT OVER! B. 冷却 C. 膨胀 B. Car driving D. Friction discovering D. 震动 30. What's the last column(栏目)? B. WHAT HAPPENED? D. WORK WITH PARENTS C. EVERYDAY ACTION
C
We often praise the world of science.
It explains the world and makes our lives easier with technology. One of the most exciting fields in science is artificial intelligence (人工智能,AI). This is an area where scientists are working on creating machines that think like humans.
However, one of the most famous scientists has a very dark warning for us about this type of technology.
"The development of full artificial intelligence could spell the end of the human race," said Professor Stephen Hawking to the BBC.
Hawking is a well-known British physicist and author of bestselling science book A Brief History of Time. This warning came after commenting(评论) the technology he uses to speak with. As Hawking has got a serious disease called ALS, he needs an AI computer to communicate. The computer learns how Hawking thinks and suggests the words he may want to use next.
This is a basic type of AI, which is very useful, yet Hawking fears the possibility of creating be. Many TV shows and films show big, killer machines that are far cleverer than us. "Humans, who are limited(限制) by slow biological evolution(进化), couldn't compete," said Hawking.
But not every scientist is pessimistic(悲观的) about AI technology. "I believe we will be in control of the technology for a long time," said Rollo Carpenter, creator of Cleverbot in the UK, which is a software program that remembers past conversations, "The advantages of it to solve many of the world problems will be realized."
In what direction do you think AI is heading? Should we be hopeful or fearful?
31. Which of the following is TRUE about AI?
A. It makes our lives easier. B. The technology is not very popular now. C. Scientists haven't controlled the technology. A. explain how AI has helped us B. show AI has already become part of our life C. suggest that AI might become dangerous for humans A. 象征 B. 促进 C. 超越 33. What does the underlined word "surpass" mean in the passage?
A. Rollo agrees with Hawking B. Rollo is a British creator C. Rollo invented Cleverbot in the US A. AI: A Friend or an Enemy B. The Future of Human Beings C. The Fight Between Humans and AI 35. Which of the following can be a suitable title for this article?
四、单词拼写(单句首字母填空) 39. --- How was your summer vacation? 五、单词拼写(根据中文提示拼写单词) 强迫) you to do that if you're not willing to. 火柴) on the way home. 当然) do harm to your health. 孙子). 发展) of science, our country is becoming stronger and stronger.
六、翻译(根据中文提示完成句子) 一般而言), American families often give a party at home.
47. 当UFO起飞的时候,那个女孩在干什么? 48. 他回家前为了买那些书籍已用光了所有的钱。 白天期间在晚上) he gets up and eats leaves. 除……外) for being a little tired. 和……没关系) the sentence.
52. 太空中有数十亿的行星。 53. 经常帮助我学英语的那个女孩来自英国。 54. 那首用二胡演奏的乐曲特别使我感动。 自己做曲的). (who)
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