【正文】 于這項(xiàng)工作三十分鐘就夠了。時(shí)間作主語(yǔ)時(shí)謂語(yǔ)動(dòng)詞用單數(shù)。根據(jù)題意可知故選B考點(diǎn)：考查主謂一致30．How time flies! We39。第二個(gè)空修飾動(dòng)詞短語(yǔ)play puter games，表示“太多”，故用too much。第二空即可寫成dare climb也可寫成dares to climb，故選A。 dares climbed【答案】A【解析】句意“這個(gè)小男孩非常的勇敢，我敢說(shuō)，他敢爬上那棵高的樹”。27．The boy is very brave．I ________ he ________ the tall tree．A．dare say。此處用連詞if引導(dǎo)的條件狀語(yǔ)從句用一般現(xiàn)在時(shí)表示一般將來(lái)時(shí)，因?yàn)橹髡Z(yǔ)是you，故謂語(yǔ)用動(dòng)詞eat, 故選B。選C。23．______________ 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。 has D．Not until。故選A。如：60% of the students in our class are 。 are【答案】D【解析】【詳解】句意：我們班五分之二的學(xué)生打算下周去北京參加夏令營(yíng)?！军c(diǎn)睛】現(xiàn)在完成時(shí)的標(biāo)志詞already（肯定）, yet（否定，疑問(wèn)）, just, before, recently, still, lately, never, ever, never, twice, on several occasion, in the past few days/weeks/months/years,（up to）these few days/weeks/months/years, this morning/week/month/year, just, up to present, so far, up to now, till now, since+時(shí)間20． students in our class going to the summer camp in Beijing next week.A．Two fifths?？瞻滋幾鲋髡Z(yǔ)the boys的后置定語(yǔ)，先行詞the boys是人，不可用which（用于先行詞是物時(shí)），需用who引導(dǎo)；the boys是復(fù)數(shù)人稱，系詞需用are；根據(jù)句意結(jié)構(gòu)，可知選D。17．（通常與or連用）或者Either you or your father must see this young man today. 你或是你的父親今天必須見這位年輕人。Either ... or...或者……或者，連接兩個(gè)主語(yǔ)時(shí)，用就近原則，already是現(xiàn)在完成時(shí)的標(biāo)志詞，結(jié)合句意，故選B16．______ is the population of the town?Over 20,000. And a third of the population ____ workers of the car factory.A．What, are B．How many , are C．What , is D．How many, is【答案】A【解析】【詳解】試題分析：在英文中，對(duì)于人口有多少通常用what來(lái)提問(wèn)，population前有分?jǐn)?shù)修飾，表示的是復(fù)數(shù)概念，謂語(yǔ)動(dòng)詞使用復(fù)數(shù)，故be用are，故本題選A?？键c(diǎn)：考查連詞辨析。 or或者……或者……：與后句矛盾，錯(cuò)；C. Neither。 and【答案】C【解析】試題分析：句意：托尼不喜歡，福蘭克也不喜歡這張唱片，他們認(rèn)為音樂(lè)太吵鬧了。12．. In the past few years there ______ great changes in my hometown.A．have been B．were C．had been D．a(chǎn)re【答案】A【解析】略13．______ Tony ______ Frank likes the CD．They think the music is too noisy.A．Not only。此句中的謂語(yǔ)動(dòng)詞要與the teacher保持一致，故答案為A?？键c(diǎn)：考查主謂一致。the number of表示“……的數(shù)量”，跟復(fù)數(shù)名詞連用作主語(yǔ)時(shí)，中心詞是number，謂語(yǔ)動(dòng)詞要用單數(shù)形式，首先排除B,D；they與動(dòng)詞詞組take care of 之間是被動(dòng)的關(guān)系，故答案為C。 will take B．a(chǎn)re。這是一個(gè)there be結(jié)構(gòu)的一般將來(lái)時(shí)態(tài)，其結(jié)構(gòu)是：There is/are going to be；Ａ、Ｄ錯(cuò)；后半部分是if引出的條件狀語(yǔ)從句，主句謂語(yǔ)是一般將來(lái)時(shí)態(tài)時(shí)，條件狀語(yǔ)從句要用一般現(xiàn)在時(shí)態(tài)。 doesn’t rain B．is going to be?？疾闀r(shí)態(tài)辨析。三分之二，two thirds。 haveC．two third。所以這里的be動(dòng)詞應(yīng)該跟I一致，故選D。該結(jié)構(gòu)有兩種表達(dá)：there is going to be或there will be。根據(jù)句意，故選D。老齡化是一個(gè)大問(wèn)題。There be句型，表示存在，意為“有”。used to be過(guò)去是， may be可能是， used to have過(guò)去有，may have可能有。2．It is reported that the population of China smaller in the past few mo