41. She ought to stop work; she has a headache because she _A_ too long.

　　A has been reading B had read C is reading D read

　　had read 過去完成時(shí)要與一般過去時(shí)搭配。

　　has been reading 現(xiàn)在完成進(jìn)行時(shí)：指某行為從過去一點(diǎn)到現(xiàn)在一直在進(jìn)行。

　　42. Niagara Falls is a great tourist _B_, drawing millions of visitors every year.

　　A attention B attraction C appointment D arrangement

　　tourist attraction 旅游勝地; attention n. 注意力; appointment n. 委任的職位，約會(huì);

　　date n. 日期，約會(huì)，棗;表示約會(huì)時(shí)指的是異性之間的私人約會(huì)。 arrangement n. 布置，安排

　　blind date 兩人第一次見面的約會(huì)。 appointment 指公事性質(zhì)的，比較正式的約會(huì)。

　　43. I don't mind _B_ the decision as long as it is not too late.

　　A you to delay making B your delaying making

　　C your delaying to make D you delay to make

　　mind 后要加動(dòng)名詞; delay v. 耽擱，延誤(后面也要加動(dòng)名詞)

　　45. Corn originated in the New World and thus was not known in Europe until Columbus found it _A_ in Cuba.

　　A being cultivated B been cultivated C having cultivated D cultivating

　　46. The sale usually takes place outside the house, with the audience _C_ on benches, chairs or boxes.

　　A having seated B seating C seated D having been seated

　　注意：seat是及物動(dòng)詞，及物動(dòng)詞用主動(dòng)形式，后面要直接加賓語。

　　Be seated please. 請(qǐng)坐。 英語中只有及物動(dòng)詞才有被動(dòng)語態(tài)。

　　47. This kind of glasses manufactured by experienced craftsmen _B_ comfortably.

　　A is worn B wears C wearing D are worn

　　當(dāng)wear表穿戴時(shí)，而句子的主語是被穿戴的東西時(shí)，wear是不及物動(dòng)詞，沒有被動(dòng)語態(tài)。

　　65. The coming of the railways in the 1830s _A_ our society and economic life.

　　A transformed B transported C transferred D transmitted

　　字根trans在四級(jí)中著重考的含義是“從一個(gè)地方到另一個(gè)地方”。

　　transform 改革，變革，改變; transport 運(yùn)輸; transfer 轉(zhuǎn)移，移動(dòng);

　　transmit 傳送，播送;疾病的傳染，傳播; transplant 移植。

　　48. Some diseases are _D_ by certain water animals.

　　A transplanted B transformed C transported D transmitted

　　49. Wouldn't you rather your child _B_ to bed early?

　　A go B went C would go D goes

　　would rather的兩種用法：1 would rather + 動(dòng)詞原形;

　　2 would rather + 句子(句子謂語動(dòng)詞用一般過去時(shí)體現(xiàn)虛擬語氣)。

　　50. Although Anne is happy with her success she wonders _B_ will happen to her private life. [wonder后面要加疑問詞]

　　A that B what C it D this

　　51. The words of his old teacher left a _C_ impression on his mind. He is still influenced by them. [lasting adj. 持久的，永久的; liberal adj. 開明的，心胸開闊的]

　　A long B lively C lasting D liberal

　　52. Mike's uncle insists _D_ in this hotel.

　　A staying not B not to stay C that he would not stay D that he not stay

　　insist的兩種用法：1 insist on … 堅(jiān)持，堅(jiān)決要求;

　　2 insist + that引導(dǎo)的從句(從句謂語動(dòng)詞為[should] + 動(dòng)詞原形)

　　53. We agree to accept _D_ they thought was the best tourist guide.

　　A whatever B whomever C whichever D whoever

　　they thought是插入語，可以不看; tourist guide 導(dǎo)游。