（2021新外研版）高中英语必修第三册UNIT3 The world of science课时作业含答案（含答案）.docx

1、课时作业课时作业(九九) .单词拼写 1. she gave the police a full a_ of the accident. 2. With a label a_ to each piece of luggage, it is easy for passengers to recognize their own luggage. 3. In tests c_ by Tomasello，the human children did no better than the chimps on the physical world tests but were considerably b

2、etter at understanding the social world. 4. I know that this d_ text will need to be edited. 5. She read the d_ aloud for everyone to make herself heard clearly. 6.A thought _ (闪过) through my mind that she didnt want to be here. 7. His writing of the _ (小说) was interrupted by the war. 8. Its not a _

3、 (科学的) way to test their opinions. 9. Do you have any _ (证据) that this man stole your bag? 10. In order to deliver a clear presentation, I slowly explained the traditional _ (程序) of making tea in detail. 答案1. account2. attached3. conducted 4. draft5. declaration6. flashed 7. fiction8. scientific9. p

4、roof10. procedure .完成句子 1. 用材料做实验来创造新东西可以帮助他们发展创造力。 _ _ materials to create something new can go a long way in helping them develop their creativity. 2. 少数民族占人口的百分之六。 The minority nationalities _ _ six per cent of the population. 3. 这个研究单位附属于大学。 The research unit _ _ _ the university. 4. (2019天津)教授警

5、告学生们， 他们绝不应该在他的课堂上使用手机。 The professor warned the students that on no account _ _ _ mobile phones in his class. 5. 但是曾经和顶级模特一起参加节目的萨拉，想要证明她不仅有美 貌，而且有智慧。 But Sarah, who has taken part in shows along with top models, _ _ _ that she has brains as well as beauty. 答案1. Experimenting with2. account for 3.

6、is attached to4. should they use5. wants to prove .课文语法填空 Benjamin Franklin s famous experiment _1_ lightning has introduced generations of children to science. However, new research suggests that the story may be fiction instead of fact. The story is that the _2_ (science) flew a kite during a stor

7、m in 1752. He raised the kite with a piece of string _3_ (tie) to it. A metal key was attached to the string. _4_ flash of lightning hit the kite, and electricity _5_ (conduct) through the string to the key. Franklin then touched the key with his finger and got an _6_ (electricity) shock. This, he s

8、aid, proved that lightning was a form of electricity. However, neither the story nor the details of the experiment are _7_ (entire) true. Scientists all agree that if Franklin had actually touched the key, he would certainly _8_ (die) from the electric shock. In fact, more than one account suggests

9、that while Newton was certainly inspired by a _9_ (fall) apple, there is no proof _10_ it hit him on the head. Fiction is often more interesting than the truth. But in science, facts should be proved by experiments and research. 1. _2. _3. _ 4. _5. _6. _ 7. _8. _9. _ 10. _ 答案1. with2. scientist3. ti

10、ed4.A 5. was conducted6. electric7. entirely8. have died9. falling10. that .阅读理解 (湖北十堰一中 20192020 高一下期中) Like you and your pet dog, plants are living things: they eat, drink, and grow. Unlike you and your dog, they cant run away, use fists or teeth, or hide under the covers when theyre threatened. B

11、ut they can fight back. Why would a plant need to fight back? To avoid being eaten, of course! Plants have several ways of protecting themselves. A plant can grow in a hidden or hardtogetto place. Think of plants youve seen growing on steep, rocky cliff (悬崖). Or, a plant could make only some parts o

12、f itself attractive to hungry insects and animals. For instance, if a plant produced really tasty leaves, herbivores (creatures that eat only plants) might eat the leaves instead of the seeds, which the plant needs for making more plants. Some plants have sharp or slippery (滑的) parts that discourage

13、 insects and other animals from getting too close, like the thorns (刺) on a rosebush. But the most interesting way that plants fight back is by using chemicals. Plants take minerals from the soil and combine them into chemicals that do a lot of work. For example, plants produce chlorophyll (叶绿素), wh

14、ich helps convert sunshine and water into the sugars that plants eat. They also produce chemicals to help protect themselves. One kind of tobacco plant releases a chemical into the air whenever small bugs begin to eat it. The chemical signals large bugs, saying “Dinners ready！” The big bugs come to

15、eat the little ones and save the plant. Most plants use chemicals in a more direct way against their enemies. In other words, plants make poison. 1. What does the underlined word “convert” mean? A. Change.B. Separate. C. Form.D. Produce. 2. What do we know from the passage? A. Some plants hide under

16、 the covers when faced with threat. B.Aplant grows in a hardtogetto place to draw peoples attention. C. Some plants produce tasty leaves to protect their seeds. D. Plants produce chemicals to meet the needs of big bugs. 3. What may be talked about following the last paragraph? A. Different effects t

17、hat different plant poisons cause on plant eaters. B. Different kinds of plants in the world. C. Why plants make poison? D. How to protect plants? 4. What would be the best title for the passage? A. Plant InformationB. Plant Enemies C. Plant PoisonsD. Plant Protection 答案与解析 【语篇解读】 这是一篇说明文。 文章介绍了植物是怎

18、样保护自己的。 1. 答案A 解 析词 义 猜 测 题 。 根 据 画 线 词 所 在 的 句 子 “plants produce chlorophyll , which helps convert sunshine and water into the sugars that plants eat.”可知，植物产生叶绿素，能将阳光和水变成植物需要的糖 分。 根据语境， 可以推测 convert 是“改变、 转变”的意思， 即 change。 故选 A 项。 2. 答案C 解析细节理解题。根据第二段可知，如果一种植物能长出非常美味 的叶子，食草动物(只吃植物的动物)可能吃叶子而不是种子，植物需

19、 要种子来长出更多的植物。由此可知，一些植物可能用美味的叶子来 保护种子。故选 C 项。 3. 答案A 解析推理判断题。根据最后一段可知，大部分植物直接使用化学物 质来对抗敌人。换句话说，植物产生毒素。由此推测，接下来会写， 不同的植物毒素对食草动物的不同影响。故选 A 项。 4. 答案D 解析标题归纳题。通读全文可知，本文主要讲的是植物如何保护自 己。因此，短文的最佳标题是“植物的自我保护”。故选 D 项。 If you walked by James Fasulo s bedroom, in Queens, New York, you might hear the 8yearold tal

20、king. You might think he was speaking with a friend, or with his 4yearold sister, Anna. More likely, James would be talking to his smart speaker, an Echo Dot. “I use it daily， ” he says. James often asks his Dot to tell jokes, report the time and temperature, and play music. And his sister? “She ask

21、s it to play songs from Frozen， ” he says. As of December 2017, there were about 67 million smart speakers in households in the United States, according to a study by National Public Radio and Edison Research. A year later, that number had jumped to nearly 119 million. Thats a 78% increase. “ Famili

22、es are very interested in trying these products ， ”says Caroline Knorr of Common Sense Media. Kids like James and Anna also love that they are fun. Smart speakers include devices (设备) such as Google Home and Amazon Echo. Common Sense Media made a survey of more than 1， 000 parents with kids ages 2 t

23、o 8. The survey asked about how kids use smart speakers. It also asked about privacy. Nearly half of the parents said their kids use the speakers, and half of those kids use them daily. Of parents who have, at some point, turned off a smart speakers microphone (麦克风), about onethird of them did it be

24、cause they didnt trust the device. “A smart speaker might behave like a human in some of the ways it answers us ，”says Florian Schaub, an assistant professor at the University of Michigan School of Information. “But thats really a company collecting data (数据) about you. Everything you say to a smart

25、 speaker is recorded by these companies.” “Companies use the recordings in different ways， ” Schaub says, “such as to personalize service or decide which ads to play.” If users dont like this, he suggests they mute the speaker when its not in use and consider setting privacy controls. James Fasulo s

26、ays he doesnt worry about privacy. But his mom, Nancy Ellwood, does. “Sometimes, the speaker flashes (闪现) its lights when were not talking directly to it， ” she says. “I wonder what its doing.” 5. What do we know about James Fasulos Echo Dot? A. It can move around freely. B. It can be controlled by

27、voice. C. It is mainly used to play music. D. It is shaped like a human being. 6. What did the survey by Common Sense Media find out? A. Smart speakers are less helpful for kids. B. Google Home is smarter thanAmazon Echo. C. Some users have less trust in smart speakers. D. Smart speaker users have r

28、apidly increased in number. 7. What does the underlined word “ mute” in Paragraph 8 probably mean? A. Fix up.B. Talk to. C. Turn off.D. Research into. 8. Who cares more about privacy? A.Anna Fasulo.B. James Fasulo. C. Caroline Knorr.D. Nancy Ellwood. 答案与解析 【语篇解读】本文是说明文。随着越来越多的人使用智能语音设 备，人们也更加关注个人隐私安

29、全问题。 5答案B 解析细节理解题。由第一段中的“James would be talking to his smart speaker, an Echo Dot”和第二段中的“asks his Dot to tell jokes . play music”以及倒数第三段中的“Everything you say to a smart speaker”可 知，Echo Dot 是一款可通过语音控制的智能语音设备。 6. 答案C 解析细节理解题。 由倒数第四段中的“Of parents who have, at some point, turned off a smart speaker s m

30、icrophone, about onethird of them did it because they didnt trust the device”可知，该项调查发现，使用 者有时会关掉智能语音设备的麦克风， 因为有部分家长在隐私方面并 不信任智能语音设备。 7. 答案C 解析词义猜测题。由倒数第三段来自密歇根大学信息学院的教授 Schaub 解释的“Everything you say to a smart speaker is recorded by these companies”以及该画线词后的“when its not in use”和“consider setting pri

31、vacy controls”可知，智能语音设备会记录你所说的话，因此 Schaub 建议用户在不使用智能语音设备的时候，可将其关闭，并考 虑设置隐私控制装置。 8. 答案D 解析细节理解题。由最后一段中的“James Fasulo says he doesnt worry about privacy. But his mom, Nancy Ellwood, does”可知，James Fasulo 的妈妈 Nancy Ellwood 更加关注隐私问题。 .书面表达 假如你是李华，你的笔友 Tom 发来电子邮件说他最近学习状态不 佳。请根据以下要点，给 Tom 回复电子邮件，给他介绍几个自我激

32、励的方法。 提示： 1. 每天花十五分钟做自己喜欢的事； 2. 随身携带纸和笔，每天至少记下一件让你感到骄傲的事； 3. 停止负面思考，专注于解决学习问题。 注意： 1. 词数 80 左右； 2. 可适当加入细节，以使行文连贯。 Dear Tom， _ _ _ _ _ _ Warmest regards， Li Hua 参考范文 Dear_Tom， How are you doing? Im sorry to hear that youre not in a good state of learning. Here are some tips that may help you. First,

33、 spend fifteen minutes doing your favourite activity everyday, such as listening to music, reading story books. Second, carry a pen and paper with you. Write down at least one thing that makes you feel proud of. Whenever you feel down, look at those notes to make yourself feel better. Third, stop the negative thinking and focus on solving those problems. Instead of being so negative towards our life, why dont we live happily and spend our time on something constructive? I hope these suggestions will help you. Warmest_regards， Li_Hua