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1、2016-2017学年高中英语Unit9Wheels7Grammar课时作业北师大版必修3Grammar.单句语法填空1My brother is an actor. He _ (appear) in several films so far.解析：句意：我弟弟是个演员，到现在为止，他已经演了好几部电影了。句中有时间状语 so far，意为“迄今为止；到现在为止”，可确定用现在完成时。答案：has appeared2The telephone _ (ring) four times in the last hour, and each time it was for my roommate.解
2、析：句意：电话在一个小时里响了四次，每次都是找我室友的。句中有时间状语 in the last hour，用现在完成时表示已经完成的动作。答案：has rung3How is your grandfather?My grandfather _ (be) dead for two years.解析：句意：你爷爷身体怎么样？我爷爷去世两年了。for two years 与现在完成时连用。答案：has been4The little boy is dirty from head to foot because he _ (play) in the mud all morning.解析：句意：这个小男
3、孩从头到脚都脏了，因为他在泥里玩了一上午。整个上午都在玩，表示动作一直持续到说话时，用现在完成进行时。答案：has been playing5Now that she is out of work, Lucy _ (consider) going back to school, but she hasnt decided yet.解析：句意：既然露西失去了工作，她一直在考虑重新回学校，但是还没有做出决定。根据 but she hasnt decided yet 判断，Lucy 还在考虑这件事，要用现在完成进行时，表示动作还要继续下去。答案：has been considering6Would
4、you like to go to Shanghai?Yes. In the last ten years, great changes _ (take) place in Shanghai.解析：句意：你想去上海吗？是的。在这十年里，上海发生了巨大的变化。“in the last/past时间段”是现在完成时的标志性时间状语。答案：have taken7The housing prices _ (go) down, but I doubt whether they will remain so.解析：句意：房价已经下降了，但是我怀疑是否会这样保持下去。说话时价格已经降了，动作已经完成，而且降
5、价肯定对现在甚至以后造成了影响，因此用现在完成时。答案：have gone8When you are home, give a call to let me know you _ (arrive) safely.解析：句意：当你到家的时候，给我打个电话让我知道你已经安全到家了。根据语境用现在完成时。答案：have arrived9When shall we restart our business?Not until we _ (finish) our plan.解析：句意：什么时候我们再开始我们的生意？到完成我们的计划时。在状语从句中，经常用一般现在时表将来时，用现在完成时表将来完成时。此处
6、为 until 引导的时间状语从句，故用现在完成时。答案：have finished10This is the first time we _ (see) a film in the cinema together as a family.解析：句意：这是我们第一次全家一起在电影院看电影。the序数词time 引导的定语从句中动词时态用完成时，又参照动词 is 可知此处用现在完成时。答案：have seen.语法填空A recent incident is making headlines on various websites: Liang Ya, a female worker, _1_
7、(faint) in a subway station in Shenzhen, and was confirmed _2_ (die) when ambulances arrived about 50 minutes later. Some who commented blamed passersby _3_ being coldblooded, but such accusations are groundless, says an editor in The Beijing News.While _4_ (report) the incident, several websites us
8、ed headlines such as Five Pass by Without Lending a Helping Hand. These headlines prompted irrational readers to blame the passersby, as if they were _5_ (responsibility) for Liangs death, says the editorial._6_ analysis of the details reveals how groundless these claims are. The monitor video of th
9、e subway station shows that Liang fainted and fell at 10：29 am. and three minutes later a passerby found her and informed the subway staff. They stood _7_ her and called the firstaid center 11 minutes later, but when the ambulance arrived at 11：18, Liang was pronounced dead._8_ (obvious), says the e
10、ditorial, what the passersby did was right without any _9_ (profession) training, it is not advisable to intervene in such incidents, _10_ could be lifethreatening.答案与解析1fainted陈述过去的事用一般过去时。2dead形容词作补语。3forblame sb. for sth. 责备某人某事。4reportingwhile doing sth. 当正时。5responsiblebe responsible for 为负责。6A
11、n表示“数量一”，用不定冠词。7bystand by sb. 站在某人旁边。8Obviously副词作状语。9professional形容词作定语。professional 专业的。10whichwhich 引导非限制性定语从句，在从句中作主语。.完形填空Tracy Wong is a wellknown ChineseAmerican writer. But her writing _1_ was something she picked up by herself. After her first _2_， teaching disabled children, she became a
12、parttime writer for IBM._3_， writing stories was simply a _4_ interest. Tracy sent three of her stories to a publisher._5_， they immediately suggested that she put them together to make a single one long _6_ and paid Tracy a $15,000 advance. “A pretty money，” said the publisher, “for _7_ writer.”_8_
13、 Tracys characters are interesting, her stories sometimes _9_ readers uneasy: those about the supernatural. “My mother believed I could _10_ the afterlife world，” she told a close friend. “She used to have me speak with my grandmother, who died many years ago.”“Can I? I dont think I can，” Tracy said
14、 with a laugh. “But I do have _11_ when things come to me _12_.“Once, she was wondering how to complete a _13_ set in ancient China. _14_ the doorbell rang. It was a FedEx delivery man, with a copy of a book on Chinese _15_. It came without her having _16_ it.Though she has published 45 books, Tracy
15、 has remained _17_ by her fame. She lives in the same _18_ she lived 27 years agoalthough in a more comfortable home. Theres more room for _19_ in her lifeand it wasnt just _20_.1A.skillBexperience CpracticeDmethod2A.duty Beffort Cjob Dtask3A.Instead BNormally CCertainly DThen4A.general Bdeep CpersonalDlively5A.Interested BAnxiously CSeriously DEncourage
