2021春《成才之路》人教英语必修3(四川专用)课时作业:unit-4-第2课时-.docx
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1、Unit 4 其次课时.单项填空1_ the universe began with the “big bang” has been widely accepted.AWhetherBWhyCThatDWhat答案:C句意:宇宙开头于“大爆炸”已被广泛接受。从句中意义完整,只需要引导词,故选C。2It has been proved _ having a balanced diet helps to keep healthy.AifBbecauseCwhenDthat答案:D句意:据证明拥有一个均衡的饮食有助于保持健康。it为形式主语,后面从句为真正的主语,且从句意义完整,故选D。3_ wel
2、l go camping tomorrow depends on the weather.AIfBWhetherCThatDWhere答案:B由depends on the weather可知,此处应为“是否”之意,应用if或whether,而主语从句置于句首时只能用whether。故选B。4(2022莱阳高一检测)_ is a fact that English is being accepted as an international language.AThereBThisCThatDIt答案:D句意:英语正被接受成为国际性语言是一个事实。此处用it作形式主语,that从句为真正的主语。
3、5_ made the parents proud was _ their son had been admitted to a key university.AWhat; becauseBWhat; thatCThat; whatDThat; because答案:B第一个空用what引导主语从句,what在该从句中充当主语;was后为表语从句,该从句中不缺少任何成分,故用that引导,且不行省略。故选B。6It worried him a bit _ his memory was becoming worse.AwhileBthatCifDwhat答案:Bit为形式主语,真正的主语从句中不缺
4、少任何成分,故用that引导主语从句,且不行省略。7(2022九江高一检测)_ their flight will arrive on time is _ they are concerned about.AWhether; whatBWhether; thatCWhen; whatDHow; that答案:A依据语境,主语从句应用whether引导,表示未定的事;what引导表语从句,在从句中作are concerned about的宾语。8_ makes the book so extraordinary is the creative imagination of the writer.
5、AThatBWhatCWhoDWhich答案:B主语从句缺少主语要用what引导。9When and why he came here _ yet.Ais not knownBare not knownChas not knownDhave not been known答案:A句意:他什么时候以及为什么来这儿还不知道。when and why引导的从句作主语,谓语动词用单数,且不被知道,故选A。10He left home several days ago. _ worries many people and is to be found out.AWhere he has goneBWher
6、e did he goCWhich place has he goneDWhere has he gone答案:A考查从句的语序。这是一个主语从句,需使用陈述句语序。故选A。11(2022烟台高一检测) Steve Jobs has gone but _ he has left behind is truly extraordinary.AthatBwhyCwhatDhow答案:C分析句子结构可知,“_he has left behind”是主语从句,且关系代词在从句中作宾语,故选what。12(2022天津,14)I think _ impress me about his painting
7、 is the colours he uses.AwhatBthatCwhichDwho答案:A考查名词性从句。句意:我认为关于他的绘画让我印象深刻的是他使用的颜色。impresses缺少主语,故用what引导名词性从句;that引导名词性从句,不作成分。13(2022泰安高一检测)_ is known to all is _ we won 38 gold medals in 2022 London Olympic Games.AIt; thatBAs; whatCWhat; thatDThat; what答案:C句意:众所周知,2022年伦敦奥运会上我们赢得了38枚金牌。_is known
8、to all是主语从句,从句中缺少主语,意为“所的”,应由what引导;其次个is后的部分是表语从句,且从句表陈述意义,应由that引导,且不行省略。故选C。14_ seems to be no possibility _ Li Hua can win the first prize in the 100meter race.AIt; thatBThere; thatCThere; whetherDIt; whether答案:BThere seems to be是固定表达;其次个空填that,引导同位语从句补充说明possibility的具体内容。故选B。15Why and how he ca
9、me here _ yet.Ais not knownBare not knownChas not knownDhave not been known答案:A句意:他为什么及如何来这儿还不知道。Why and how引导的从句主语,谓语动词用单数,且不被知道,故选A。.完形填空The biggest safety threat facing airlines today may not be a terrorist with a gun, but the man with the portable computer in business class. In the past 15 years
10、,_1_have reported well over 100_2_that could have been caused by electromagnetic interference(干扰). The_3_of this interference remains unconfirmed,_4_increasingly, experts are pointing the blame at portable electronic devices such as portable computers, radios and cassette players and mobile telephon
11、es.RTCA, an organization which_5_the aviation industry, has recommended that_6_airlines ban such electronic devices from being used_7_“critical”stages of flight,_8_takeoff and landing. Some experts have gone further,_9_for a total ban during all flights. Currently, rules on using these devices are_1
12、0_up to individual airlines. And although some airlines prohibit(禁止)passengers from_11_such equipment during takeoff and landing, most are reluctant to enforce a total ban. Many passengers want to work during flights.The_12_is predicting how electromagnetic fields_13_affect an aircrafts computers. E
13、xperts_14_that portable devices emit radiation, which affects those wavelengths which_15_use for navigation and communication. But, they have not been able to_16_these effects in a laboratory; they have no_17_of knowing whether the interference might be_18_or not.The fact that aircraft may be vulner
14、able(易受攻击)to interference_19_the risk that terrorist may use radio system in order to_20_navigation equipment.1A.driversBpilotsCengineersDconductors答案:B文章第一句已表明:当今航空公司面对的最大的平安威逼不是持枪的恐怖分子,而是手提电脑。所以对飞机上的这种事情最了解的应是飞行员,而不是A、C、D的那些人。2A.actionsBeventsCmattersDincidents答案:D此处指飞机上发生的这类事情。本题同样考查了词义辨析。inciden
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