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ise C.exercising【答案】B【解析】【詳解】句意“在我們學(xué)校80%的學(xué)生一周鍛煉三到五次”。根據(jù)three to five times a week“一周三到五次”可知,用一般現(xiàn)在時,排除C;“分?jǐn)?shù)或者百分?jǐn)?shù)+of+名詞”作主語,謂語與of后的名詞保持一致,即與students保持一致,students為復(fù)數(shù),故選B。13. ___________ a big clock on the wall?Yes,but it was broken in the earthquake.A.Have you got B.Did you have C.Was there【答案】C【解析】【詳解】句意:——有一個時鐘在墻上?——是的,但是它在地震中被打破了??疾閠here be結(jié)構(gòu)。have表示“擁有”,“there be”表示“存在”;根據(jù)on the wall可知需用there be結(jié)構(gòu),故選C。14.Be quiet, please. There a basketball game between our class and Class 8.A.has B.is going to be C.will have D.is going to have【答案】B【解析】試題分析:句意:請安靜,在我們班和8班之間將會有一場籃球比賽。根據(jù)句意可知,這里使用的是there be句型,表示“有……”,故A、C和D都不對;there is going to be是there be句型的將來時態(tài)??键c(diǎn):考查there be句型。15.— He, together with his parents ______going to visit Shanghai in July. How about you?— I39。m afraid I have to stay at home _ _.A.a(chǎn)re。 on my own B.is, by myself C.is。 by my own D.a(chǎn)re。 on myself【答案】B【解析】【詳解】就遠(yuǎn)原則與by oneself的用法。介詞with后的謂語動詞應(yīng)和它前面的主語he一致,故A,D錯。by oneself是“獨(dú)自”的意思。故選擇B。16.More than one boy _________ to play badminton with girls in our class.A.choose B.is choosing C.a(chǎn)re choosing D.chooses【答案】D【解析】句意:不止一個男孩選擇和我們班的女生打羽毛球。choose動詞,選擇;is choosing正選擇;are choosing正選擇;chooses動詞三單,選擇。根據(jù)語義可知,本句使用一般現(xiàn)在時態(tài)。more than one 表示“不止一個”,后接單數(shù)名詞,在句中作主語時,謂語動詞用三單形式。故選:D。點(diǎn)睛:注意“主謂一致性”原則,判斷主語的單復(fù)數(shù)含義,牢記 “more than one+名詞單數(shù)”“one of +名詞復(fù)數(shù)”等類似短語的單數(shù)含義。17.—Read the news! A large number of elephants ____ killed for ivory.—Those people are so cruel! Recently the number of elephants ____ fallen by 50%.A.a(chǎn)re。 has B.is。 has C.a(chǎn)re。 have D.is。 have【答案】A【解析】試題分析:句意:閱讀這新聞!大量的大象被殺死取象牙。 那些人是如此的殘忍!最近大象的數(shù)量下降了50%。A large number of elephants是kill這一動作的承受者,該用被動語態(tài)。根據(jù)Recently可知第二處高于現(xiàn)在完成時。A large number of elephants作主語,謂語動詞要用復(fù)數(shù)形式。the number of elephants作主語,謂語動詞要用第三人稱單數(shù)形式。所以選A??键c(diǎn):考查主謂一致。18.The photo ________ taken by my brother last week is very nice.A.which B.that is C.that were D.which was【答案】D【解析】試題分析:句意:上周被我弟弟拍的那張照片非常好看。此題考查定語從句。根據(jù)句意,應(yīng)選D??键c(diǎn):考查定語從句。19. ______ Jim ______ his sister wants to go