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fter myself. 可知我自己照顧自己,因此父親和母親都很忙,故選C。24._______ of the teachers in our school _________women teachers.A.Two thirds,are B.Third Second,is C.Two thirds,is【答案】A【解析】句意:我們學(xué)校的三分之二的老師都是女老師。考查分?jǐn)?shù)的表達(dá)以及主謂一致。三分之二表達(dá)為two thirds,其后的名詞決定謂語的單復(fù)數(shù)。后面的名詞是teachers,故謂語用復(fù)數(shù)。點(diǎn)睛;分?jǐn)?shù)的表達(dá)分子用基數(shù)詞,分母用序數(shù)詞,當(dāng)分子大于一的時(shí)候分母要加s。eg. one fifth 五分之一 two fifths 五分之二25.Everyone in Class 4 _______ TV on Sundays.A.watches B.to watchC.watching D.watched【答案】A【解析】句意:在星期天四班的每個(gè)人看電視。watches是動(dòng)詞watch的第三人稱單數(shù);to watch動(dòng)詞不定式,作賓語或目的狀語;watching現(xiàn)在分詞,作賓語或伴隨狀語;watched動(dòng)詞watched的過去式,用于一般過去時(shí)。根據(jù)時(shí)間狀語on Sundays可知此處用于一般現(xiàn)在時(shí),主語everyone是第三人稱單數(shù),故謂語用第三人稱單數(shù)watches。故選A。26. with his two sons often ________ climb the hill on Sundays.A.go to B.went C.goes to【答案】C【解析】句意:周日格林先生和他的兩個(gè)兒子經(jīng)常去爬的山。根據(jù)on Sundays可知此句時(shí)態(tài)用一般現(xiàn)在時(shí),with his two sons是介詞短語,故謂語動(dòng)詞用單數(shù)形式;結(jié)合句意可知選C。27.Kangkang as well as his parents return hometown this weekend.A.is ready to B.were ready to C.a(chǎn)re ready to【答案】A【解析】句意:康康和他的父母準(zhǔn)備這個(gè)周末回家鄉(xiāng)。as well as連接并列主語,謂語根據(jù)第一個(gè)主語來判斷,第一個(gè)主語Kangkang是第三人稱單數(shù),故謂語用第三人稱單數(shù)is ready to,故選A。28.The number of the volunteers in our city ____3,000. And fifty percent of them ____ students.A.is, is B.a(chǎn)re, is C.is, are【答案】C【解析】句意“我們城市志愿者的數(shù)量是3000人,其中50%是學(xué)生”?!皌he number of+主語”,表示“……的數(shù)量”,謂語動(dòng)詞用單數(shù),排除B。百分?jǐn)?shù)做主語時(shí),謂語要和百分?jǐn)?shù)后的名詞或代詞保持一致,此處為them,用復(fù)數(shù),故選C。點(diǎn)睛:a number of(大量的)+名詞復(fù)數(shù)+復(fù)數(shù)謂語;the number of(……的數(shù)量) +名詞復(fù)數(shù)+單數(shù)謂語29.The notice on the board tells us that _______ smoking ____ spitting is allowed in the waiting room.A.either。or B.not only。but also C.neither。nor D.both。and【答案】C【解析】句意:黑板上的通知告訴我們,在等候室即允許吸煙也不允許吐痰。本題考查連詞。A. either。or或者…或者…;B. not only。but also不但…而且…;C. neither。nor既不…也不…;D. both。and兩只都。根據(jù)句意“黑板上的通知告訴我們,在等候室即允許吸煙也不允許吐痰”,結(jié)合選項(xiàng),可知C選項(xiàng)符合題意,故答案選C。30.There ________ a book sale in our school library once a year.A.is B.was C.a(chǎn)re D.were【答案】A【解析】【詳解】句意:我們學(xué)校圖書館每年有一次圖書銷售。A. is是,單數(shù);B. was是,過去式; C. are是,復(fù)數(shù);D. were是,復(fù)數(shù),過去式。根據(jù)once a ,排除BD;這里是there be句型,主語是a book sale,be動(dòng)詞用is,根據(jù)題意,故選A。