1、Unit 4 Section 单句语法填空。1.The new technology, if applied(apply) to rice growing, will help increase the grain output.解析:句意:这项新的科技,如果被用在水稻种植上,将有助于提高谷物的产量。句子的主语为The new technology,与非谓语动词是逻辑上的被动关系,因此用过去分词短语作状语。2.Though disappointed(disappoint) to know he wouldnt get the job after the interview, Frank tha
2、nked us politely.解析:句意:尽管弗兰克在面试后很失望地得知他不会得到这份工作,但他还是礼貌地谢了我们。在这里“Though”引导的从句是个省略句,补全应是Though(Frank was)disappointed to know he wouldnt get the job after the interview。3.Compared(compare) with 2010 in China, the number of students choosing(choose) to study art is rising a lot.解析:句意:与2010年相比,在中国选择学习艺术
3、的学生数量在大幅增加。考查非谓语动词作状语和定语。动词compare与句子的主语the number of students之间为逻辑上的被动关系,故用过去分词形式。动词choose与所修饰词students之间为逻辑上的主动关系,故用现在分词作定语,表主动。4.Given(give) more attention, the tree could have grown better.解析:句意:如果给这棵树更多的关注,它本可以长得更好。give与句子的主语the tree之间为逻辑上的被动关系,故用过去分词形式。5.The flowers his friend gave him will di
4、e unless watered(water) every day.解析:句意:如果不天天浇水,他朋友给他的这些花会死掉的。考查过去分词作条件状语。water与句子的主语the flowers之间为逻辑上的被动关系,故用过去分词形式。6.The room, although supposed(suppose) to be kept locked, was often left open.解析:句意:尽管这个房间应该锁着,但它常常是开着的。考查过去分词作让步状语。be supposed to do sth.应该做某事,suppose与句子的主语the room之间为逻辑上的被动关系,故用过去分词
5、形式。7.Although brought(bring) up in the city, he knows a lot about farming.解析:句意:尽管在城市成长,但他对农耕了解甚多。考查过去分词作让步状语。bring up与句子的主语he为逻辑上的被动关系,用过去分词形式。8.Absorbed(absorb) in painting, John didnt notice evening approaching.解析:句意:由于在全神贯注地画画,约翰没有察觉到夜幕降临了。考查非谓语动词作原因状语。设空处动作与句子主语John之间为被动关系,再结合固定搭配be absorbed in
6、可知答案为C项。9.Although warned(warn) of danger, tourists cant help taking photos near the cliff(悬崖).解析:句意:尽管被警告有危险,但是游客还是情不自禁地在悬崖附近拍照。动词warn与句子主语tourists之间是逻辑上的被动关系,故使用过去分词warned作状语。10.Much time spent(spend) sitting at a desk, office workers are generally troubled by health problems.解析:句意:因为在桌前久坐,办公室工作人员一般都被健康问题所困扰。考查独立主格结构作状语,该结构中的逻辑主语much time与spend为逻辑上的被动关系且表示完成,故用spent。