【正文】
打算下周去北京參加夏令營。分子大于1時,做分母的序數(shù)詞用復(fù)數(shù),因此五分之二的表達(dá)應(yīng)該是 two fifths,排除B,D;分?jǐn)?shù)后面的名詞為復(fù)數(shù)名詞students,根據(jù)主謂一致的原則,只能用are,故答案選 A。點睛:本題考查的知識點有分?jǐn)?shù)的表達(dá)和主謂一致,一般情況下,表示分?jǐn)?shù)時,分子要用基數(shù)詞,分母要用序數(shù)詞,如果分子大于1,表示分母的序數(shù)詞要用復(fù)數(shù)形式,如:two thirds 三分之二。由“分?jǐn)?shù)或百分?jǐn)?shù)+名詞”構(gòu)成的短語作主語時,其謂語動詞的數(shù)要根據(jù)短語中后面名詞的數(shù)而定。如:60% of the students in our class are girls. 我們班60%的學(xué)生是女生。Two thirds of the apple is 。26.The boy is very brave.I ________ he ________ the tall tree.A.dare say。 dares to climbB.dare to say。 dare climbingC.dare saying。 dares climbD.dare to say。 dares climbed【答案】A【解析】句意“這個小男孩非常的勇敢,我敢說,他敢爬上那棵高的樹”。dare既可作情態(tài)動詞,也可作實意動詞。做情態(tài)動詞時,無人稱與數(shù)的變化,且空后用動詞原形;做實意動詞時,有人稱和數(shù)的變化,用dare to do sth。第一空排除C。第二空即可寫成dare climb也可寫成dares to climb,故選A。27.____ my sister ____ I do well in our lessons. My mother is very proud of us.A.Neither, nor B.Either, or C.Not only, but also【答案】C【解析】句意“不但我妹妹,而且我也在課堂上表現(xiàn)的很好,我的媽媽以我們?yōu)轵湴痢??!膊弧?;B. 或者……或者……;……而且……。根據(jù)My mother is very proud of us可知,我和我妹妹兩人表現(xiàn)的都很好,故選C。28.______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(xué)生將要去下周在北京的夏令營。分?jǐn)?shù)的表達(dá)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(fù)數(shù)形式,所以Twofifths是正確的表達(dá)方式,分?jǐn)?shù)引導(dǎo)的短語作主語,其謂語動詞的數(shù)應(yīng)根據(jù)分?jǐn)?shù)后面的名詞students來確定。所以選用be動詞的復(fù)數(shù)形式,故選A。點睛:全面總結(jié)一下分?jǐn)?shù)的表達(dá)方式:首先,分?jǐn)?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(fù)數(shù)。1/4 可寫作a [one] fourth,也可寫作 a [one] quarter,分?jǐn)?shù)引導(dǎo)的短語作主語,其謂語動詞的數(shù)應(yīng)根據(jù)分?jǐn)?shù)后面的名詞來確定。29.Oh! Jennifer with her parents _________ dinner there.A.is having B.a(chǎn)re having C.have【答案】A【解析】句意:哦!珍妮和她的父母在那里吃晚飯。with連接并列主語,謂語根據(jù)第一個主語來判斷,因為主語Jenny是第三人稱單數(shù),故謂語用第三人稱單數(shù),故選A。30._______ a big party in our school in two weeks.A.It is B.It will beC.There was D.There is going to be【答案】D【解析】【詳解】句意:在我們學(xué)校兩周之后將有一個大的聚會。根據(jù)句意可知,譯為“有”,用there be句型,排除A和B;且根據(jù)in two weeks可知,用一般將來時,故選D。