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111 一鼓作氣 （課中強化類訓(xùn)練） ●Exercises for new words（生詞專練） Ⅰ.Match words in A and B which are related to each other. (將A與B中有關(guān)聯(lián)的單詞搭配在一起。) A:boil　rust　expand　tongs　contract　dissolve　reaction　 B:crucible　cool　oxide　liquid　conclusion　heat　steam　 答案:boil—steam　rust—oxide　expand—heat　tongs—crucible　contract—cool　dissolve—liquid　reaction—conclusion  Ⅱ.Complete the sentence with a suitable word. (用合適的單詞完成下列句子。) 1.What’s the _______(3 letters) of this experiment? 2.We use________(11 letters) to provide power for machines. 3.It is time for us human beings to take measures to protect all living things to keep the_______(7 letters) of nature. 4.We students should go to bed early and get up early to _______(4 letters) a good habit. 5.Both teachers and students in our school are deeply impressed by Professor Smith’s_______(7 letters). 6.Our school was built just a year ago with many advanced teaching________(10 letters). 7.I was________(10 letters) when I heard the hospital had burnt down. 8.Jack,can you see something red_______(8 letters) in the distance on the water? 答案:1.aim　根據(jù)常識推斷,應(yīng)該說“實驗的結(jié)果(result)/結(jié)論(conclusion)或目的(aim)”都可,又因只有三個字母,所以用aim。 2.electricity　本句意為“我們用電為機器提供動力”。 3.balance　keep the balance of nature意為“保持自然界的生態(tài)平衡”。 4.form　form a good habit of...為固定詞組,意為“養(yǎng)成……的好習(xí)慣”。 5.lecture　按常識推斷,應(yīng)該是教授的“演講”。 6.facilities　設(shè)備可表示為facility或equipment,但equipment不可數(shù)。在本題中many修飾facility,所以用facility的復(fù)數(shù)形式。 7.astonished　本句意為“當聽到醫(yī)院燒成平地的消息時,我驚呆了?！豹? 8.floating　本句意為“你能看見遠處水上漂著紅色的東西嗎？”。float與something構(gòu)成主謂關(guān)系,且表示正在進行的動作,所以用float的現(xiàn)在分詞形式。 ●Exercises for phrases（短語專練） Ⅲ.Complete each sentence with the preposition below. (用下面的介詞完成句子。) of　out　in　from　at 1.The reaction of metals with these substances can be put_______ order. 2.Write out each corrected sentence _______ least once. 3.Do an experiment to find _______ if iron rusts in dry air. 4.Try to learn _______ your mistakes,and you’ll make progress. 5.Two thirds _______ the earth’s surface is water. 答案:1.in　put...in order為固定搭配,意為“把……有序排列”。 2.at　at least為固定搭配,意為“至少”。 3.out　固定短語find out意為“查明白；弄清楚”。 4.from　learn from...意思為“向某人學(xué)習(xí)；從某事中吸取教訓(xùn)”。 5.of　of表示所屬關(guān)系,“……的”。本句意為“地球表面的三分之二是水”。 Ⅳ.Complete the sentences with these phrases. (用所給的短語完成句子。) add...to　in the area of　be proud of　be interested in　react with　 be supposed to　at the bottom of　keep out of　used to 1.Many great discoveries have been made _______ _______ _______ _______ science. 2.We _______ all _______ _______ the Chinese athletes’ success during the 28th Olympic Games. 3.Mr.Smith _______ _______ smoke but he has given it up. 4.Please _______ some sugar _______ the tea. 5.Iron _______ _______ water and air to produce rust. 6.There are some underwater plants _______ _______ _______ _______ the tube. 7.You _______ _______ _______ clean the blackboard and the classroom today. 8.I _______ very _______ _______ English. 9._______ the dog _______ _______ the room.Don’t let it in. 答案:1.in the area of　in the area of意為“在……領(lǐng)域”。 2.are;proud of　短語be proud of意為“對……感到自豪”,we作主語用are。 3.used to　used to do意為“過去常常做某事(但現(xiàn)在不做了)”。 4.add;to　add...to...意為“在……里添加……”。在祈使句中用動詞原形。 5.reacts with　react with意為 “與……反應(yīng)”,iron為不可數(shù)名詞,故用 reacts。 6.at the bottom of　at the bottom of意為“在……底部”。 7.are supposed to　are supposed to do在本句中相當于should do,表示“應(yīng)該做……”。 8.am;interested in　本句意為“我對英語很感興趣”。 9.Keep;out of　keep...out of意為“把……擋在外面”與下句“別讓它進來”意思一致。 ●Exercises for sentence structure（句子結(jié)構(gòu)專練） Ⅴ.Choose the right description of the words underlined in each sentence. (選出對句子畫線部分單詞描述正確的選項。) 1. ...and these are always very interesting,as the lecturers are people who have made real discoveries in their area of science. A.方式狀語 B.原因狀語 答案:B　as在本句中意為“因為”,引導(dǎo)原因狀語從句。 2.Here is a table with the metals that react most at the top,and the metals that react at the bottom. A.表語 B.主語　 答案:B　這是一個倒裝句,a table是主語。在以here,there,now,then等副詞開頭的句子中,要用完全倒裝。本句的正常語序是“A table with...is here.”。 3.It is hard to think of a world without metals. A.狀語 B.主語 答案:B　本句中it為形式主語,不定式短語是真正的主語。 4.The Nobel Prize is the highest scientific prize there is,so we should be very proud of that. A.定語 B.狀語 答案:A　there is在本句中作定語,修飾prize。 5.I’m becoming more and more interested in physics. A.表程度 B.表數(shù)量 答案:A　more and more意為“越來越……”,修飾多音節(jié)和部分雙音節(jié)形容詞,表程度。 Ⅵ.Complete Sentence B according to Sentence A.(根據(jù)A句完成B句。)  1.A:If you work harder,you will make greater progress. B:_______ _______ you work,_______ _______ _______ you will make. 2.A:The chairman thought that it was necessary to invite Professor Smith to speak at the meeting. B:The chairman thought _______ _______ to invite Professor Smith to speak at the meeting. 3.A:Generally speaking,if the camera is more expensive,its quality will be better. B:Generally speaking,_______ _______ _______the camera,_______ _______its quality. 4.A:There are 64 students in our class.48 of them are girls. B:There are three times _______ _______ _______ as boys in our class. 5.A:Two out of five students in our class are girls. B:_______ _______ _______the students in our class are girls. 答案:1.The harder;the greater progress　本題考查了“the more...,the more...”這一句型。在這個句型中,前一部分表條件,相當于if條件句,后一部分表結(jié)果,意為“越……就越……”。 2.it necessary　think既可接it is/was+adj.+to do句子作賓語從句（其中it作形式主語）,又可接it+adj.+to do作復(fù)合賓語（其中it作形式賓語）。 3.the more expensive;the better　 在“the more...,the more...”句型中,可以省略謂語(甚至主語謂語一起省略)。 4.as many girls　在“as...as”結(jié)構(gòu)中通常把名詞放在兩個as中間。 5.Two fifths of　two out of five意為“五個中有二個”，與two fifths of...(五分之二)意思相同。 ●Exercises for function items（交際用語專練） Ⅶ.Choose the proper items that mean the same as these below. (選出與下列句子意義一致的選項。) 1.Where do we go from here?________ A.You’ve understood. 2.Keep the noise down. B.You’re next. 3.You’ve got it! C.What shall we do next? 4.Go ahead! D.Talk quietly. 5.It’s your turn now. E.You can begin. 答案:1.C　2.D　3.A　4.E　5.B ●Exercises for grammar （語法專練） Ⅷ.Multiple choice（單項選擇） 1.The pianos in the other shop will be _______,but _______. A.cheaper;not as better　 B.cheaper;not as good  答案:B　此句為省略句,全句應(yīng)為：The pianos in the other shop will be cheaper but not as good as those in this shop.as...as之間的形容詞要用原級。 2.—How did you find your visit to museum? —I thoroughly enjoyed it.It was_______ than I expected. A.far more interesting B.even much interesting 答案:A　由空格后面的than,可推斷前面一定有比較級,故排除B項。 3.I am glad to say that she’s already finished _______ 50% of the book in these three days. A.no less than B.no more than 答案:A　no less than意為“有……之多；不少于……”；no more than意為“僅僅”,不符合題意。 4.—It’s so hot today. —It surely is.It’s _______ yesterday. A.two degrees hotter than B.two degree as hot as  答案:A　答語的后半句意為“比昨天熱2度”。倍數(shù)表達法之一：“數(shù)詞+adj.或adv. 的比較級+than”。 5.I offered him _______,for which he thanked me again and again. A.that he had asked for three times B.three times what he had asked for 答案:B　倍數(shù)放在what he had asked for(相當于the+n.)之前。 6.This is _______ attractive museum.I can hardly tear myself away from it. A.a most B.the most 答案:A most與不定冠詞連用,表示“非?！?。 7._______ of the area is covered by water. A.Two thirds B.Two third 答案:A　本題考查了分數(shù)的表達法,即分子大于1,分母加-s。 8.He looked quite young though he was _______. A.in seventy B.at the age of seventy  答案:B 　“他70 多歲時”應(yīng)該是in his seventies,選項A不正確；at the age of seventy意思是“在70 歲時”。 9.There is a leaning tower about _______. A.180 feet high B.180 foot high 答案:A 　180 feet high 意為“180 英尺高”。 111