【正文】
________ not enough to live on.A.a(chǎn)re B.is C.have【答案】B【解析】句意:每月600美元不足以維持生活。enough足夠的,形容詞,和be動(dòng)詞一起做表語(yǔ), be enough to do:足夠做某事;時(shí)間,距離和金錢(qián)做主語(yǔ)時(shí),謂語(yǔ)動(dòng)詞用單數(shù)形式,本句主語(yǔ)600 dollars a month是金錢(qián),可知選B。25.About ______ of the land ______ covered with trees and grass.A.three fifths。 are B.three fifths 。 is C.three fifth。 are D.third fifths。 is【答案】B【解析】句意:大約五分之三的陸地被樹(shù)木和草所覆蓋。根據(jù)選項(xiàng)可知,第一個(gè)空所缺為分?jǐn)?shù);又知分?jǐn)?shù)的表達(dá)法為分子基數(shù)詞,分母序數(shù)詞,分子大于一,分母加s,所以五分之三的表達(dá)方法為three fifths;又根據(jù)分?jǐn)?shù)作主語(yǔ)時(shí),其后的謂語(yǔ)動(dòng)詞的單復(fù)數(shù)取決于它所修飾的名詞,即此處的land;又知land意為陸地,土地,為不可數(shù)名詞,所以第二個(gè)空缺處應(yīng)用is;故答案選B。26.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(guó)人口超過(guò)15億,中國(guó)是世界上人口最多的國(guó)家。考查系動(dòng)詞和最高級(jí)辨析題。主語(yǔ)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(jí)不可用定冠詞the,可排除A項(xiàng)。根據(jù)句意語(yǔ)境,in the world(在世界上)表示的范圍廣泛,需用最高級(jí),故選C。27.Neither Amy nor her parents ______ to Australia, but _______ of them know Australian customs very well.A.have been, all B.have been, both C.has been, neither D.has been, none【答案】B【解析】句意:艾米和她的父母都沒(méi)去過(guò)澳大利亞,但他們都很了解澳大利亞的風(fēng)俗習(xí)慣??疾閯?dòng)詞時(shí)態(tài)和不定代詞辨析題。Neither A nor B,表示兩者都沒(méi)有/都不,遵循就近原則;空格前面的parents(父母)是復(fù)數(shù)形式,不可用has,可排除CD兩項(xiàng)。all全都;both兩者都,Amy和her parents是兩個(gè)方面,需用both。根據(jù)句意語(yǔ)境,可知選B。28.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(yǔ),謂語(yǔ)根據(jù)第一個(gè)主語(yǔ)來(lái)判斷,因?yàn)橹髡Z(yǔ)Jenny是第三人稱單數(shù),故謂語(yǔ)用第三人稱單數(shù),故選A。29.Where is Mr. Wang?He together with his students _______ Haibin Park.A.have gone to B.has gone to C.has been to D.have been to【答案】B【解析】【詳解】句意“王先生去哪里了?他和他的學(xué)生去了海濱公園”。have been to去了某地(回來(lái)了),have gone to去了某地(還未回來(lái)),根據(jù)Where is Mr. Wang可知,還未回來(lái),排除C和D。且當(dāng)together with連接兩個(gè)主語(yǔ)時(shí),謂語(yǔ)動(dòng)詞要和最前面的主語(yǔ)保持一致,故選B?!军c(diǎn)睛】主語(yǔ)后有with, along, like, except, besides, but, including, together with, as well as等引導(dǎo)的名詞或代詞時(shí),謂語(yǔ)動(dòng)詞與前面的主語(yǔ)保持一致,即“就前原則”。30.Now my father _____ his bike to work every day instead of driving.A.ride B.rode C.rides D.will ride【答案】C【解析】考查點(diǎn):一般現(xiàn)在時(shí)的用法。 解題思路:every day意為“每天”,表示經(jīng)常性,習(xí)慣性的動(dòng)作,故該句子要使用一般現(xiàn)在時(shí),主語(yǔ)為第三人稱單數(shù),故答案選C;選項(xiàng)B、D時(shí)態(tài)錯(cuò)誤;