2020年成人高考专升本英语词汇专项练习四_第3页

　　21[.单选题]He talks as if he __ everything.

　　A.knows

　　B.was known

　　C.will know

　　D.knew

　　[答案]D

　　[解析]句中含有一个由as if引起的方式状语从句，这种从句有时要求用虚拟语气。本句是与现在事实相反的假设，因此谓语用过去式。

　　22[.单选题]The new large passenger jets have made the traffic problems at airports _______.

　　A.more bad than it was

　　B.the worse than before

　　C.worse than ever before

　　D.more bad than they were

　　[答案]C

　　23[.单选题]I didn't know the answer, __.

　　A.neither he did

　　B.neither did he

　　C.neither he knew

　　D.he didn't neither

　　[答案]B

　　[解析]neither引导的省略句需倒装，倒装句在时态上应与前面句子保持一致。

　　24[.单选题]She __ into tears when she heard from the hospital that her father died.

　　A.burst

　　B.went

　　C.fell

　　D.exploded

　　[答案]A

　　[解析]burst into tears表示“突然哭起来”，属于固定用法。

　　25[.单选题]This car costs __the other one.

　　A.as much over

　　B.as much more as

　　C.as much to

　　D.as much as

　　[答案]D

　　[解析]as...as...表示“与……一样”，as与as之间用形容词或副词的原级。

　　26[.单选题]If we __ sooner, we might have got there.

　　A.started

　　B.had started

　　C.would have started

　　D.start

　　[答案]B

　　[解析]这是一个表示与过去事实相反的假设。这种虚拟形式一般是：从句谓语是过去完成时(had done)，主句谓语是would(should，could，might)+have done。

　　27[.单选题]She tried hard, __ she was unsuccessful.

　　A.therefore

　　B.but

　　C.or

　　D.unless

　　[答案]B

　　[解析]本句句意是：她努力试了，但没有成功。

　　28[.单选题]How much would you __ for repairing my radio?

　　A.charge

　　B.cost

　　C.pay

　　D.spend

　　[答案]A

　　[解析]charge表示“索价;要支付……”。

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