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503] The typewriter _______ all week.

[譯文] 桌上的打字機(jī)放在這兒已經(jīng)一周了。

　 A. laying on the table, were it had laid 　

B. lying on the table, were it had laid

　 C. laying on the table, were it had laid 　

D. lying on the table had been laid

[答案及簡析] D。 lying on the table現(xiàn)在分詞短語作定語，該句是一個(gè)被動(dòng)語態(tài)。

502] This is the plane _______ he went to Shanghai ______ business.

[譯文] 這就是他到上海出差乘坐的飛機(jī)。

　 A. where, for a 　 B. by which, on the

　 C. in which, on 　 D. where, on

[答案及簡析] C。 定語從句中表示方式一定要注意：by which = by the plane 所以只有in which = in the plane是正確的。

501] ______ that she should come here on time.

[譯文] 她今天準(zhǔn)時(shí)到這兒來就好了。

　 A. Suppose 　 B. Demand

　 C. Think 　 D. Believe

[答案及簡析] A。 Suppose表示假設(shè)，后面的從句用虛擬語氣。

500] At no point south of the Han River _______ more than a mile.

[譯文] 敵軍在漢河南岸前進(jìn)了一英里多。

　 A. the enemy didn’t advance 　 B. the enemy advanced

　 C. did the enemy advance　　 D. didn’t

[答案及簡析] C 表示地點(diǎn)的狀語在句首，主句要部分倒裝。

本資料來源于《七彩教育網(wǎng)》

499] Only at that time ______ that he had made a lot of mistakes in his homework.

[譯文] 知道那個(gè)時(shí)候他才意識(shí)到他的家庭作業(yè)中出了很多錯(cuò)誤。

　 A. He realized 　 B. did he realize

　 C. he did realized 　 D. realized he

[答案及簡析] B。 only引導(dǎo)的狀語在句首，主句要部分倒裝。

498] He ______ prison two years ago and now he _______.

[譯文] 兩年前他悲觀進(jìn)監(jiān)獄，現(xiàn)在被釋放了。

　 A. was put in; was set free 　 B. was shut into, is set free

　 C. put into, has been set freely 　 D. was put into; has been set free

[答案及簡析] D。 put sb. into prison��；set sb. free都是固定搭配。

497] _______ the two oceans the Pacific is ______ .

[譯文] 在這兩個(gè)大海中，太平洋是最大的一個(gè)。

　 A. In; the large 　 B. For; larger

　 C. Of; larger 　 D. Of, the larger

[答案及簡析] D。 在兩個(gè)當(dāng)中的比較級(jí)，要用介詞of。

496] If city noises _______ from increasing, people _______ shout to be heard even at the dinner table 20 years from now.

[譯文] 如果城市噪音不制止，二十年后人們不得不在餐桌上吃飯就得大聲喊叫才能聽得見。

　 A. are not kept; will have to 　 B. are not kept; have to

　 C. do not kept; will have to 　 D. do not kept; have to

[答案及簡析] A。 考查keep…from doing sth.結(jié)構(gòu)的被動(dòng)形式。

495] I _____ ten minutes to decide whether I should reject the offer.

[譯文] 給我使分鐘的時(shí)間考慮是否拒絕這個(gè)幫助。

　 A. gave 　 B. was given

　 C. was giving 　 D. had given

[答案及簡析] B。 考查動(dòng)詞give的用法。give sb. sth ,該句中還差個(gè)賓語，故用被動(dòng)形式。

494] The people are ______ young workers between the age of twenty and thirty.

[譯文] 這些大部分都是20到30歲的年輕工人。

　 A. nearly 　 B. almost

　 C. mostly 　 D. most

[答案及簡析] C。 mostly副詞，大部分。