【正文】
主語時,謂語動詞用單數(shù)形式,本句主語600 dollars a month是金錢,可知選B。25.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”。“the number of+主語”,表示“……的數(shù)量”,謂語動詞用單數(shù),排除B。百分?jǐn)?shù)做主語時,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26.—Linda, why _______ you late for school yesterday? —Because I woke up late.A.was B.were C.a(chǎn)re D.is【答案】B【解析】句意:——琳達,你昨天為什么上學(xué)遲到?——因為我醒晚了。根據(jù)時間狀語yesterday可知此處用一般過去時,主語是you,因此謂語用were,故選B。27.4,000 dollars ______a large amount of money, but it is ______than what we want.A.is, very more B.a(chǎn)re, far more C.is, far less D.a(chǎn)re, very little【答案】C【解析】句意:4,000美元是一筆巨款,但遠(yuǎn)遠(yuǎn)低于我們想要的水平。金錢是不可數(shù)名詞,看做單數(shù),故使用is,but表示轉(zhuǎn)折,意為雖然4000美元挺多,但是還是低于我們想要的。Far less表示“遠(yuǎn)遠(yuǎn)小于”,far more“遠(yuǎn)遠(yuǎn)多于”,A/D兩個選項不恰當(dāng),故選C。28.The population of China _______over billion and China has _______population in the world.A.is, the bigger B.a(chǎn)re, the biggest C.is, the biggest D.a(chǎn)re, the bigger【答案】C【解析】句意:中國人口超過15億,中國是世界上人口最多的國家??疾橄祫釉~和最高級辨析題。主語The population是單數(shù)第三人稱,系詞需用is,可排除are。bigger更大/多的,比較級不可用定冠詞the,可排除A項。根據(jù)句意語境,in the world(在世界上)表示的范圍廣泛,需用最高級,故選C。29.______________ something wrong with my bike. Can I use yours?A.It is B.It was C.There is D.There was【答案】C【解析】【詳解】句意:我的自行車出毛病了。我可以用你的嗎?考查there be句型的用法。句型There is something wrong with sb/。根據(jù)下文“Can I use yours?”一般現(xiàn)在時,可知此句使用一般現(xiàn)在時,故排除D(一般過去時),用there is(一般現(xiàn)在時)。選C。30.The number of the elderly(老人) increasing in China, and with the development of China economy,they better care of in the future.A.is。 will take B.a(chǎn)re。 are taken C.is。 will be taken D.a(chǎn)re。 will take【答案】C【解析】句意:中國老年人的數(shù)量在不斷增加,隨著中國經(jīng)濟的發(fā)展,他們將得到更好的照顧。the number of表示“……的數(shù)量”,跟復(fù)數(shù)名詞連用作主語時,中心詞是number,謂語動詞要用單數(shù)形式,首先排除B,D;they與動詞詞組take care of 之間是被動的關(guān)系,故答案為C。