（2021新牛津译林版）高中英语必修三Unit 1 Period One Welcome to the unit & Reading 课时作业（含答案）.docx

1、Period OneWelcome to the unit lie down;feed on;break down;breathe life into;due to 1.Most of the flights were put off last nightthe heavy fog. 2.There are about 100 cattle on the farm and they mainly grass. 3.the delighted look on his face, he is very satisfied with the result. 4.Were trying tothe b

2、arriers between young people from the two countries. 5.We hope the new employees canour company and promote its development. 6.The doctor asked the patient toand have a good rest so that he can recover as soon as possible. .句型训练 1.There are 10 districts and 9 counties in Beijing16,800 square kilomet

3、res. 北京有 10个区 9个县,面积为 16 800 平方公里。 2.This river isthat one. 这条河是那条河的两倍长。 3.One day, the potter forgot to take the ropehe tied the donkey everyday. 一天,陶工忘了带他每天拴驴用的绳子。 4.I met your mother yesterday,I got the news of your marriage. 我昨天碰到了你妈妈,从她那儿我得知了你结婚的消息。 5.The children arethe problems by themselves.

4、 孩子们已经足够大了,可以自己解决这些问题了。 .阅读理解 There are many gardening tips. Some suggest playing music for your house plants, having conversations with them, or even giving them a gentle touch now and then. Most of these practices are probably more for the benefit of the gardener than the garden, and generally har

5、mless enough but except the last one. Your plants really dislike it when you touch them. A new study out of the La Trobe Institute for Agriculture and Food has found that most plants are extremely sensitive to a touch, and even a light touch can significantly stunt(阻碍) their growth. “The lightest to

6、uch from a human, animal, insect, or even plants touching each other in the wind, can cause a huge gene response in the plant,” Jim Whelan, who led the new study, said. “Within 30 minutes of being touched, 10% of the plants genome(基因组) is changed. This involves a huge expenditure(消耗) of energy which

7、 is taken away from plant growth. If the touching is repeated, then plant growth is reduced by up to 30%.” Whelan and his team are still trying to find out why plants respond, at the genetic level, so strongly. They do have some theories, however. “We know that when an insect lands on a plant, genes

8、 are activated(激活) preparing the plant to defend itself against being eaten,” said Dr Yan Wang, co-author of the study. Until more research is done, its just a guess at this point. Still, the findings might already lead to new methods for how agriculturalists deal with their crops, to best promote h

9、ealthier growth. Its worth noticing that while the study found that plants often respond to just a single touch in negative ways, its really repeated touching that causes lasting stunted growth. Thats because the plants are looking for patterns in the touching, to tell harmful touch from random touc

10、h. So it doesnt matter if you accidentally brush up against a bush during a walk through the woods. ()1.How is the passage mainly developed? A.By comparing. B.By giving examples. C.By listing numbers. D.By showing results of studies. ()2.Why can touching stunt a plants growth according to the study?

11、 A.It leads to the plants energy expenditure. B.It makes the plant sensitive to threats. C.It causes a genetic disorder in the plant. D.It prevents the plant absorbing nutrients. ()3.Whats the importance of the study by Whelan and his team? A.It gives us more useful gardening tips. B.It helps find w

12、ays to ensure plants healthy growth. C.It contributes to the further study on genes. D.It uses data to warn people not to touch plants. ()4.What is the passage mainly about? A.Something is done to help plants grow. B.Plants genome can be changed easily. C.Plants dont really like to be touched. D.Wha

13、t we do every day may destroy plants. .语法填空 阅读下面短文,在空白处填入 1 个适当的单词或括号内单词的正确形式。 The cheetah(猎豹), an expert hunter, sits 1.(silent) atop a hill and scans the herds of feeding animals looking for the perfect prey(猎物). Finding a target, it moves quietly through the grass until it is close enough 2.(know

14、) it can get its reward. The cheetah is perfectly built for the kill. Its colouring helps it to disappear into the landscape to avoid 3.(see). And its speed over a short distance, the fastest in the animal world, 4.(allow) it to chase(追逐) its target. Once the prey is killed, the cheetah pulls the ca

15、rcass(尸体) to a safe place, even 5.(pull) it up into a tree to stop other predators(捕食性动物) from stealing 6. However, the cheetah is also a highly 7.(endanger) animal. Once found throughout Asia and Africa, cheetahs today are racing towards 8. (extinct). Loss of habitat and declining numbers of their

16、prey threaten the future of these cats. To change the fall in cheetah numbers, animal lovers are working to protect them. 9.addition, conservation groups are encouraging local farmers to protect cheetahs e on their land. It will be a sad day if this beautiful animal disappears from our planet. 参考答案

17、.1. soil2. climate3. continent4. impact5. wildlife6. agriculture 7. species8. living9. regions10. mass .1. survival2. in3. was damaged4. harmful5. variety6. extinction7. length 8. on9. Millions10. disappearance .1. due to2. feed on3. Judging from4. break down5. breathe life into6. lie down .1. with

18、an area of2. twice the length of/as long as3. with which4. from whom 5. old enough to solve .【文章大意】 本文是一篇说明文。科学研究发现大多数植物对触碰是非常敏感 的,反复的触碰会阻碍植物的生长。 1.D推理判断题。根据第二段中“A new study out of the La Trobe Institute for Agriculture and Food has found that most plants are extremely sensitive to a touch”及 第三段中“Wh

19、elan and his team are still trying to find out why plants respond”,以及第 四段中“Until more research is done, its just a guess at this point.”可知,本文是通过展示 研究成果来展开语篇的,故选 D。 2.A细节理解题。根据第二段中“This involves a huge expenditure(消耗) of energy which is taken away from plant growth. If the touching is repeated, then

20、plant growth is reduced by up to 30%.”可知,触摸植物会从植物的生长中带走巨大能量。如果重复触 碰,植物生长将减慢 30%。因此触摸会消耗植物的能量,从而阻碍植物的生长,故选 A 项。 3.B细节理解题。根据第四段中“Until more research is done, its just a guess at this point. Still, the findings might already lead to new methods for how agriculturalists deal with their crops, to best pr

21、omote healthier growth.(在做更多的研究之前,这只是一个猜 测,尽管如此,这些发现可能已经为农学家如何处理他们的作物带来了新的方法,以最 好地促进作物更健康地生长。)”可知,Whelan 和他的团队的研究的重要性是它有助于 找到确保植物健康生长的方法,故选 B项。 4.C主旨大意题。阅读全文以及根据第一段中“Your plants really dislike it when you touch them.”可知,本文主要介绍了植物真的不喜欢被触摸,故选 C项。 .【文章大意】 本文介绍了世界上短距离跑得最快的动物猎豹,包括它的捕食 方式等,同时告诉我们猎豹面临灭绝的危险

22、。 1.silently考查副词。修饰动词 sits 应用副词 silently,表示“静静地”。 2.to know考查不定式。be+形容词+enough to do sth 意为“足够做某事”。 3.being seen考查动词时态。avoid doing sth意为“避免做某事”,根据语境可知这里 意为“它的颜色帮助它避免被看到”,因此用 see的过去分词形式表被动。 4.allows考查动词时态及主谓一致。根据前后文可知,应用一般现在时;本句主语为 its speed over a short distance,故用一般现在时的第三人称单数形式。 5.pulling考查现在分词。本句主

23、语 the cheetah 和动词 pull之间为主动关系,且 even 前没有连词,故用现在分词作状语。 6.it考查代词。根据句意可知,应用代词 it代指前面提到的 the carcass。 7.endangered考查形容词。此处修饰名词 animal 应用形容词 endangered,意为“濒临 灭绝的”。 8.extinction考查名词。在句中作宾语应用名词 extinction,意为“灭绝”。 9.In考查介词。in addition意为“另外,此外”,故填 In。 10.that/which考查定语从句。此处引导定语从句修饰 cheetahs,在从句中作主语,故 应用 that 或 which。