1、第一部分 必修三 Unit 4.单句语法填空 导 学 号 424923011It 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。2New
2、 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。3All 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。4If they win the final tonight, the team are going to tour around the city _to_be_cheere
3、d_(cheer) by their enthusiastic supporters.解析：考查非谓语动词。5The 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。6During those four years, he worked day and night, thus _improving_(improve) his theory gradually until it was complete.解析：考查 vin
4、g形式作结果状语。7Those 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。8I suppose by the time I come back in ten years time all these old houses will _have_been_pulled_ (pull) down.解析：考查时态和语态。9Sometimes he found _it_very hard
5、 to fall asleep at night, so he went to see the doctor.解析：考查 it 作形式宾语。10Susan 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。11T
6、he 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。12It remains to be seen _whether_ the newly formed committees 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 re
7、mains to be seen 可知存在不确定的意思，所以用 whether 是否。13The 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。14Thank God youre 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
8、.“正赶上做某事” 。15Its 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。.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。1An exceptionally big fire _broke_out_(爆发) at midnight.Luckily, firefighters arrived just _in_time_(
9、及时) for the rescue.2Atmosphere _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.5He, as well as his s
10、ister, _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 be
11、come 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 witnesss descriptions were _too_ unbelievable _to_ be of any real
12、 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.单句改错 导 学 号 424923031She has got into the bad habit of reading in the bed, which is harmful for her eyes._forto_2All theories come from practice and in return serve practice._returnturn_3The twin brothers
13、stood under the tree, puzzling and saying nothing._puzzlingpuzzled _4The sun heats the earth, which makes possible for plants to grow._makes 后加 it_5The new stadium being built for the next Asian Games will be three times as larger as the present one._largerlarge_6Youll succeed on time because you ar
14、e always working hard._onin_.教材原句 导 学 号 424923041_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” 。2According to a widely_accepted_(accept) theory, the universe began with a “Big Bang”_that/whi
15、ch_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。3It was not immediately obvious_that_water was to be fundamental_to_the development of life.解析：第一空考查主语从句， it 为形式主语， that 引导的从句是真正的主语；第二空考查固定短语，be fundamental to 意为“是
16、的基础” 。4As a result_of_this, many scientists believe the earth may become too hot _to_live_(live) on.解析：第一空考查固定短语；第二空考查“too.to.”结构。5_Whether_life will continue on the earth for millions of years to come will depend on whether this problem can be solved.解析：考查主语从句。从句中不缺主 语和宾语， 结合语意可知答案是 whether。6_What_
17、many scientists believe is that the continued presence of water allowed the earth to dissolve_harmful_ (harm) gases and acids into the oceans and seas.解析：第一空考查主语从句，从句中缺少 宾语；第二空考查词 形转换，修 饰名词，故填形容词 harmful。7They are putting too much carbon dioxide_into_the atmosphere，_which_prevents heat from escaping
18、 from the earth into space.解析：第一空考查介词，结合 语意可知填 into；第二空考查非限制性定语从句，从句中缺少主语且指物，故填 which。8Leaving the moons gravity_was/is_(be) not as painful as leaving the earths.解析：考查主谓一致。动名词 作主语时谓语动词用单数。.语篇填空 导 学 号 42492305No one knows exactly how the earth began, as it happened so long ago.However, according to a
19、 _widely_(wide) accepted theory, the universe began _with_ a “Big Bang” that threw matter in all directions.After that, atoms began to form and combine to create stars and other bodies.For several billion years after _the_ “Big Bang”， the earth was still just a cloud of dust.What _it_ was to become
20、was _uncertain_(certain) until between 4.5 and 3.8 billion years ago _when_ the dust settled into a solid globe.The earth became so violent _that_ it was not clear whether the shape would last or not.It _exploded_(explode) loudly with fire and rock.They were in time to produce carbon, nitrogen, wate
21、r vapour and other gases, _which _ were to make the earths atmosphere.What is even more important is that as the earth cooled down, water began to appear _on_ its surface.话题写作 导 学 号 42492946用本单元所学知识完成下列句子，并按照逻辑连成短文。1火星上有生命吗？不知道。我们能成功登上火星吗？那完全取决于科学技术的发展。Is there life on Mars? We dont know.Can we land
22、 on Mars successfully? That all_depends_on_the development of science and technology.2到目前为止，我们虽然对火星有点了解，但根本不够。火星上几乎没有氧气，中午的温度可能在 50 度左右，而晚上则在零下 100 度左右。这阻止我们在那里生活。Until now we_have_known_a_little_about_Mars，but thats not enough._There_exists_almost no oxygen on Mars.It might be about 50 degrees abov
23、e zero at noon and 100 degrees below zero at night and it_prevents_us_from_living_there_.3既然火星与地球完全不同，如果我们计划有朝一日去火星，我们就要带上氧气、食物、衣服和住所。_Now_that_Mars is quite_different_from_our earth，if we are to go to Mars_in_time_， we should take along our own oxygen, food, clothing_as_well_as_shelter.组篇公式：将句 2 改为
24、定语从句。答案：Is there life on Mars? We dont know.Can we land on Mars successfully? That all depends on the development of science and technology.Until now we have known a little about Mars, but thats not enough.There exists almost no oxygen on Mars.It might be about 50 degrees above zero at noon and 100 degrees below zero at night, which prevents us from living there.Now that Mars is quite different from our earth, if we are to go to Mars in time, we should take along our own oxygen，food，clothing as well as shelter.