大学英语六级-254
(总分：100.00，做题时间：90分钟)
一、语法练习(总题数：0，分数：0.00)
二、(总题数：13，分数：32.50)
1.There is a real possibility that the animals could be frightened, ______ a sudden loud noi.
（分数：2.50）
A.being there
B.should there be √
C.there was
D.there having been
解析：[解析] 表示将来时间的虚拟条件句，if省略，所以should与there倒装。
2.In the past men generally preferred that their wives ______ in the home.
（分数：2.50）
A.worked
B.would work
C.work √
D.were working
解析：[解析] 因为prefer是欲望动词，其后所接的宾语从句中谓语需用(should)+动词原形。
3.The board deemed it urgent that the files ______ right away.
（分数：2.50）
A.had to be printed
B.should have been printed
C.must be printed
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D.should be printed √
解析：[解析] 因为urgent是欲望形容词，在句中作形式宾语it的补足语，所以宾语从句中的谓语需用虚拟语气：(should)+动词原形(主动态或被动态)。
4.The millions of calculations involved, had they been done by hand, ______ all practical value by the time they were finished.
（分数：2.50）
&uld lo
B.would have lost √
C.might lo
D.ought to have lost
解析：[解析] 从句是省略if的虚拟条件句，谓语部分倒装，故主句谓语为would have+过去分词。
5.A safety analysis ______ the target as a potential danger. Unfortunately, it was never done.
钢管外径（分数：2.50）
A.would identify
B.will identify
C.would have identified √
D.will have identified
解析：[解析] 过去时间的虚拟语气表示过去要做而没有做的事。
6.I apologize if I ______ you,but I assure you it was unintentional.
（分数：2.50）
A.offend
B.had offended √
C.should have offended
D.might have offended
解析：[解析] 本题测试交错时间的虚拟条件句。was暗示，事情发生在过去，所以虚拟条件句中的谓语动词应该用表示过去时间的虚拟形式。
7.______ for the timely investment from the general public, our company would not be so thriving as it is.
（分数：2.50）
A.Had it not been √
B.Were it not
C.Be it not
D.Should it not be
解析：[解析] 本题测试交错时间的虚拟语气。从句是表示过去时间的虚拟条件，if省略，主语it与助动词had倒装。
8.The students expected there ______ more reviewing class before the final exams．
（分数：2.50）
A.is
B.being
C.have been
& be √
解析：[解析] 应选D项to be。
9.______ of the burden of ice,the balloon climbed up and drifted to the South．
（分数：2.50）
A.To be free
B.Freeing
C.To free
D.Freed √
解析：[解析] 应选D项Freed。
10.The bank is reported in the local newspaper ______ in broad day-light yesterday.
（分数：2.50）
& be robbed
&bbed
& have been robbed √
D.having been robbed
解析：[解析] 动词不定式的完成式作主语的补语，表示不定式的行为动作发生在谓语动作之前。
11.There emed little hope that the explorer, ______ in the tropical forest,would fnd his way through it.
（分数：2.50）
& be derted
B.having derted
& have been derted
D.having been derted √
解析：[解析] 答案应为D项having been derted。这是现在分词的完成式(被动态)，在句中作状语，具有原因和时间意义。
12.The local health organization is reported ______ twenty-five years ago when Dr. Audo
n became its first president.
（分数：2.50）
& be t up
右下角没有小喇叭 B.being t up
江苏旅游攻略& have been t up √
D.having been t up
解析：[解析] 答案应为C项to have been t up。
13.Ted has told me that he always escapes ______ as he has got a very fast sports car.
了的成语（分数：2.50）
& fine
& be fined
C.being fined √
D.having been fined
解析：[解析] 因为escape后接动名词；又因fine与Ted在逻辑上是动宾关系，故动名词用被动态。
三、(总题数：7，分数：17.50)
14.I"d rather you would go by train, becau I can"t bear the idea of scendyour being in an airplane in such bad weather.
A. would go B. can"t bear C. your being D. such
（分数：2.50）
解析：A[解析] 应改为went。
15.When Edison died, it was propod that the American people turned off all power in th
ere homes, streets, and factories for veral minutes in honor of this great man.
A. When B. turned off C. all power D. in honor of
（分数：2.50）
解析：B[解析] 应改为turn off或should turn off。
16.Mary couldn"t have received my letter; otherwi she went to the concert last night.
A. couldn"t have received B. otherwi C. went D. to
（分数：2.50）
解析：C 应改为would have gone。[解析] couldn"t have done sth．表示说话者对过去事情的否定推测。译文：玛丽不可能收到我的信的，否则她昨晚就来听音乐会了。
17.He would help us but that he was short of money at the time .
A. would help B. but C. short of D. at the time
（分数：2.50）
解析：A 应改为would have helped。[解析] but that引导的从句表示假设条件，谓语用陈述语气。例如：But that he was prevented，he would have accomplished his design．(要不是人家阻止他。他就把设计方案完成了。)本题译文：若不是他那时缺钱，他就会帮助我们了。
18.But for your kind advice we 庆园春雪could not succeed in the experiment when we were in trouble .
A. But for B. advice C. could not succeed D. in trouble
（分数：2.50）
解析：C 应改为could not have succeeded。[解析] but for引导的短语表示虚拟条件，意为“要不是……”，例如：But for that rain we should have had a pleasant journey．
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19.She began to be worried lest he met with some accident the day before.
A. to be worried B. lest C. met D. some
（分数：2.50）
