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百分之幾時,謂語用復數(shù)。再由in 2015可知應用一般過去時。故選D。17.Smog and haze is a kind of air pollution. It _______ people _____ about their health.A.make, worry B.make, be worriedC.makes, worried D.makes, worry【答案】D【解析】【詳解】句意:霧霾是一種空氣污染。它使人們擔心他們的健康。考查主謂一致和動詞短語辨析。it是單數(shù)第三人稱,動詞需用三單形式,可排除AB兩項。make讓,使役動詞,make sb. do ,是固定結(jié)構(gòu),可排除C項。根據(jù)句意結(jié)構(gòu),可知選D。18. Do you like pop music? Yes, very much. But _____ my father _____ my mother likes it. They both like Beijing Opera.A.both, and B.either, or C.not only, but also D.neither, nor【答案】D【解析】【詳解】句意:——你喜歡流行音樂嗎?——是的,非常喜歡。但是我爸爸和媽媽都不喜歡。他們喜歡京劇。考查并列連詞辨析。A. both, and兩者都…;B. either, or或者…或者…,表示兩者之一;C. not only, but also不但…而且…;D. neither, nor既不…也不…,表示兩者都不。根據(jù)下文They both like Beijing ,可知我爸爸和媽媽都不喜歡流行音樂;結(jié)合選項可知D選項符合題意, 故答案選D。19.Now the number of students who bedrooms of their own getting larger and larger.A.has。are B.have。is C.has。is D.Have。are【答案】B【解析】句意:現(xiàn)在擁有自己臥室的學生越來越多。have動詞,有;has動詞三單,有。is是,動詞單三形式;are是,主語為第一、二人稱,以及第三人稱復數(shù)。定語從句Now the number of students who____ bedrooms of their own中,students為先行詞,復數(shù)含義,所以定語從句謂語動詞使用復數(shù)形式have。第二個空為be動詞,其主語為the number(單數(shù)含義),所以be動詞使用is。故選:B。點睛:the number of表示“……的數(shù)量”,跟復數(shù)名詞連用作主語時,中心詞是number,謂語動詞要用單數(shù)。 a number of表示“許多”,相當于 many,修飾可數(shù)名詞復數(shù)。作主語時,謂語動詞用復數(shù)。20.A smile ____________ nothing, but gives much.A.costs B.spendsC.cost D.spend【答案】A【解析】考查動詞辨析。句意:微笑無需付出,卻給予很多。spend花費,Sb. spend some money/some time on/doing ,經(jīng)常與on連用,跟動詞用動名詞形式;cost花費,Sth. cost sb. some money,主語是物,人和錢作其賓語。本題中a smile是物,用cost。主語A smile是單數(shù)名詞,因此謂語動詞要使用第三人稱單數(shù)形式;故本題選A項costs。21.________ Jim________ Sue may go camping with you on Tuesday, because they are not allowed to go out on school days.A.Either… orB.Neither… norC.Both… andD.Not only… but also【答案】B【解析】試題分析:句意:吉姆和蘇星期二,都不能和你去野餐,因為他們,在上學的日子是不允許出去的。A. Either… or 或者……或者; B. Neither… nor 都不;C. Both… and都;D. Not only… but also不僅……而且。根據(jù)句意,故選B??键c:考查連詞的用法。22.______of the students in our class ______ going to the summer camp in Beijing next week.A.Twofifths, are B.Secondfifths, areC.Twofifths, is D.Secondfifths, is【答案】A【解析】句意:我們班五分之二的學生將要去下周在北京的夏令營。分數(shù)的表達方式是:用基數(shù)詞+序數(shù)詞表示,如果分子大于1,分母則要用復數(shù)形式,所以Twofifths是正確的表達方式,分數(shù)引導的短語作主語,其謂語動詞的數(shù)應根據(jù)分數(shù)后面的名詞students來確定。所以選用be動詞的復數(shù)形式,故選A。點睛:全面總結(jié)一下分數(shù)的表達方式:首先,分數(shù)是由基數(shù)詞和序數(shù)詞構(gòu)成——分子用基數(shù)詞,分母用序數(shù)詞,分子超過“1”時,分母用復數(shù)。1/4 可寫作a [one] fourth,也可寫作 a [one] quarter,分數(shù)引導的短語作主語,其謂語動詞的數(shù)應根據(jù)分數(shù)后面的名詞來確定。23.Look , there a photo of my family and there four people in it.A.is 。 are B.a(chǎn)r