2018高考英语(人教)：第1部分 必修3 Unit 4 Astronomy：the science of the stars

第一部分必修三Unit 4

Ⅰ.单句语法填空导学号42492301

1．It is obvious __what__ the local government can do to protect the environment for future generations.

解析：句意：为了子孙后代，当地政府在保护环境方面所能做的事情是显而易见的。It 为形式主语，________ the local government can do to protect the environment for future generations是真正的主语，该主语从句缺少宾语，且表示物，故填what。

2．New technologies have made __it__ possible to turn out new products faster and at a lower cost.

解析：考查it作形式宾语。

3．All possible means __have_been_taken__(take) to prevent the river __being_polluted__ (pollute)．

解析：考查主谓一致和非谓语动词。

4．If they win the final tonight, the team are going to tour around the city __to_be_cheered__(cheer) by their enthusiastic supporters.

解析：考查非谓语动词。

5．The meeting was held in a lively atmosphere __where__ everybody felt to share his ideas.

解析：考查定语从句。从句中缺少地点状语，故填where。

6．During those four years, he worked day and night, thus __improving__(improve) his theory gradually until it was complete.

解析：考查v-ing形式作结果状语。

7．Those reports included one case, __where/in_which__ a fire broke out and destroyed two cars，although there were no injuries.

解析：考查非限制性定语从句。

8．I suppose by the time I come back in ten year's time all these old houses will __have_been_pulled__ (pull) down.

解析：考查时态和语态。

9．Sometimes he found __it__very hard to fall asleep at night, so he went to see the doctor.

解析：考查it作形式宾语。

10．Susan made __it__ clear to me that she wished to make a new life for herself.

解析：本题考查代词的运用。句意：苏珊清楚地跟我表明她希望为自己创造新的生活。分析句子结构可以看出，该句中包含一个that引导的从句，而且根据语境可知，that从句的

内容就是苏珊向我表明的事情，所以后置的that从句实际上是made的真正宾语，故用形式宾语it指代that从句。

11．The manager wants to see changes in the company, and I am sure he will __in__ time.

解析：句意：经理想要看到公司的改变，我确信他迟早会看到的。in time“及时；最后，迟早”，符合题意。

12．It remains to be seen __whether__ the newly formed committee's policy can be put into practice.

解析：本题考查名词性从句。句意：那仍然得看新形成的委员会政策能否付诸实践。It 在此为形式主语，故seen后为真正的主语从句，又由remains to be seen可知存在不确定的意思，所以用whether是否。

13．The top leaders of the two countries are holding talks in a __friendly__(friend) atmosphere.

解析：句意：两国高层领导人在友好的氛围(atmosphere)中进行谈判。

14．—Thank God you're safe!

—I stepped back, just in time __to_avoid__(avoid) the racing car.

解析：答语句意：我退后了一步，正好避开了奔跑的汽车。in time to do sth.“正赶上做某事”。

15．It's said that the power plant is now twice __as__ large as what it was.

解析：本题考查倍数的表达法。句意：据说这个发电厂现在是过去的两倍大。“倍数＋as...as”是倍数的表达法，意为“是……的几倍”，其中as...as之间要用原级。

Ⅱ.完成句子导学号42492302

根据语境和汉语提示完成下列英语句子。

1．An exceptionally big fire __broke_out__(爆发) at midnight.Luckily, firefighters arrived just __in_time__(及时) for the rescue.

2．Atmosphere __blocks_out__(挡住) a large amount of harmful light from space.

3．__Now_that__(既然) we have finished the design, the company, __in_its_turn__(轮到), will do the construction.

4．__On_a_global_scale__(在全球范围内), AIDS may well become the leading cause of infant death.

5．He, as well as his sister, __was_brought_up__(被抚养) in the mountainous area where education facilities are far from satisfactory.

6．建议采取措施来阻止工厂排放有害气体。

__It_is_suggested_that__measures should be taken to prevent factories from discharging harmful gases into the air.

7．地球变暖是否加剧取决于我们的活动是否产生更多的二氧化碳。

Whether the global warming will become more serious __depends_on_whether__ our activities will produce more carbon dioxide.

8．大部分证据被毁了，不可能证明这种食物是有毒的了。

Most of the evidence is destroyed, __which_makes_it_impossible__to prove that the food is poisonous.

9．证人的描述太难以置信，没有任何实际价值。

The witness's descriptions were __too__ unbelievable __to__ be of any real value.

10．没有什么比得上一句诚心的问候更令人愉快了。

There is nothing __more_pleasant_than__ a cheerful word of greeting.

Ⅲ.单句改错导学号42492303

1．She has got into the bad habit of reading in the bed, which is harmful for her eyes.

__for→to__

2．All theories come from practice and in return serve practice.

__return→turn__

3．The twin brothers stood under the tree, puzzling and saying nothing.

__puzzling→puzzled__

4．The sun heats the earth, which makes possible for plants to grow.

__makes后加it__

5．The new stadium being built for the next Asian Games will be three times as larger as the present one.

__larger→large__

6．You'll succeed on time because you are always working hard.

__on→in__

Ⅳ.教材原句导学号42492304

1．__What__is even more important is that__as__the earth cooled down, water began to appear on its surface.

解析：第一空考查主语从句，从句中缺少主语，故填what；第二空考查状语从句，结合语意可知此处表示“伴随”。

2．According to a widely__accepted__(accept) theory, the universe began with a “Big Bang”__that/which__threw matter in all directions.

解析：第一空考查非谓语动词作定语修饰theory，且accept与theory之间为被动关系，故填accepted；第二空考查定语从句，从句中缺少主语且指物，故填that/which。

3．It was not immediately obvious__that__water was to be fundamental__to__the development of life.