2020-2021学年高中英语 Unit 5 Into the wild Period I Starting out and Understanding Ideas同步课时作业（含解析）外研版必修1.doc

1、Unit 5 Into the wildPeriod I Starting out and Understanding Ideas1.His _(每年的) income of this year is twice as much as that of last year.2.More forest cities will be built for the purpose of offering a unique solution _ the pollution problem.3.It is well-known that about 71 p_ of the earths surface i

2、s covered with water.4.Experiencing nature helps people recover _ the mental tiredness that comes from day-to-day work.5.As the teacher said, it is high time that we concentrated _ our study.6.Arriving there, he was _(shock) by the citys beautiful scenery and tall buildings.7.Try something new every

3、 time you go to the market and you will _(eventual) find something you like.8.If we let this situation go as it is, our environment will suffer a great _(destroy).9.In recent years, these turtles have faced threats to their _(survive).10.个人越有学识,他通常就越谦虚。(learned; modest)_11.我们应该釆取措施来保护环境免受污染。(measure

4、)_12.我只是来弄清楚是否一切都没有问题。(make sure that.)_13.马克吐温早早就不上学了，下定决心去南美碰运气。（fortune)Mark Twain left school early, _ _ _ _ _ in South America.14.我们的大脑就像我们的身体，我们使用得越多，它就会变得越好。Our brain is like our body. _ _ we use it, _ _ _ _ _ .15. Every autumn, millions of the North American monarch butterflies manage _(trav

5、el) around 4,000 kilometres south and find their way to places_ they will spend the winter. A team of scientists _ (lead) by Professor Eli Shlizerman at the University of Washington has discovered that the monarch is able to tell the time of the day and then uses _ (it) eyes to measure the position

6、of the sun. These two _ (piece) of information allow the butterfly to determine which way it needs to go. The monarchs population _ (crash) by as much as ninety per cent in the last few years. _ (sad),human activity is the main reason why_ number of the North American monarch butterflies is falling.

7、The research on the monarchs behaviour has however led_ a greater awareness of this creature. The more we know about this lovely creature, the _ (great) the chance it will survive.答案以及解析1.答案：annual解析： 2.答案：to解析：句意为:建设更多的森林城市是为了提供一个解决污染问题的独特的方法。a solution to为固定搭配,意为“的解决方法”。故填to。3.答案：percent解析： 4.答案：f

8、rom解析：句意为:体验大自然有助于人们从日复一日的工作产生的精神疲劳中恢复过来。recover from意为“从.中恢复”。故填from。 5.答案：on解析：句意为:正如老师所说,现在该是我们集中精力学习的时候了。concentrate on意为“集中精力于”。故填on。 6.答案：shocked解析：句意为:到达那里时,他对那座城市的美景和高楼感到震惊。设空处作表语,形容主语he的状态,应用shocked,表示“震惊的”。7.答案：eventually解析：句意为:每次去市场时尝试一些新的东西,最后你就会找到你喜欢的东西了。修饰动词find应用副词。故填eventually。8.答案：d

9、estruction解析：句意为:如果我们放任情况继续下去,我们的环境将遭受巨大的破坏。设空处作suffer 的宾语,应用名词destruction。9.答案：survival解析：句意为:近年来,这些乌龟一直面临着生存的威胁。设空处作to的宾语,其前有形容词性物主代词their修饰,应用名词。survival 意为“生存”时,为不可数名词,故填survival。10.答案：The more learned a man is, the more modest he usually becomes.解析： 11.答案：We should take measures to protect the

10、environment from pollution.解析： 12.答案：I only came to make sure that everything was all right.解析： 13.答案：determined to seek his fortune解析： 14.答案：The more; the better it will get解析： 15.答案：to travel; where; led; its; pieces; has crashed; Sadly; the; to; greater解析：考查不定式。句意;每年秋天,数百万北美洲黑脉金斑蝶设法向南飞行约4,000公里,找

11、到它们过冬的地方。manage to do sth.意为“成功做成某事”,故本空应用不定式作宾语。 考查定语从句。句意同上。本空引导定语从句,修饰名词places,在从句中作地点状语,故应用关系副词where。考查过去分词。句意:一支由伊莱史莱泽曼教授领导的来自华盛顿大学的科学家团队现已发现,黑脉金斑蝶可以判断一天中的时间,并能用眼睛来测量太阳的位置。本空修饰名词短语A team of scientists,且和被修饰短语之间为逻辑上的被动关系,故本空应用过去分词作定语。考查代词。句意同上。本空修饰名词eyes,故应用形容词性物主代词its。考查名词复数。句意:这两条信息可以让黑脉金斑蝶决定它

12、需要往哪个方向走。piece为可数名词,根据空前These two可知,本空应用复数形式。考查时态。句意:黑脉金斑蝶的数量在过去的几年内减少了百分之九十之多。根据时间状语in the last few years可知,本空应用现在完成时。考查副词。句意:可悲的是,人类活动是黑脉金斑蝶数量下降的主要原因。本空修饰整个句子作状语,故应用副词形式。考查冠词。句意同上。the number of意为“的数量”,故本空应用定冠词the。考查介词。句意:不过,对黑脉金斑蝶行为的研究也带来对这种生物更多的认识。lead to意为“导致,带来”,故本空应用介词to。考查比较级。句意:我们对这个可爱的生物了解得越多,它得以存活的机会就越大。本句为“the+比较级,the+比较级”句型,故本空应用形容词great的比较级形式。