Question

英语选择题

The young teacher has ____ competent。
A） been proved to be B） proved to be C） been proved D） proved being
The construction of the laboratory ____by the end of next month。
A） must be completed B） must have been completed
C） will be completing D） will have been completing
Negotiation ____again with Moscow tomorrow， a great event will be discussed then。
A）is to be opened B）is on the point of opening C）is going to open
D） opens
Experiments in the photography of moving objects ____in both the United States and Europe well before 1900。
A） were conducting B）were conducted C） had been conducted
D） had conducted
________ is no reason for dismissing her.
A. Because she was a few minutes late
B. Owing to a few minutes late
C. The fact that she was a few minutes late
D. Being a few minutes late
答案及原因

Answer 1

A has表示完成时，需用分词形式；另外人做主语，需用被动态，所以选A
B 建筑应该是被完成，所以C/D不对。by the end of next month表示一段时间，需用完成时，所以选B
C 表示计划将来要发生,以主动态表示被动的意思。A/B/D均不对。
C 从意思判断需用被动态，before 1900是过去的一段时间，所以用过去完成时，选C
C 从句子结构判断需填一个名词或者完成句子，根据句子意思C.D均可，最佳选择为C。

Answer 2

B
prove证明是，不及物动词，本身有被动意味，不用被动语态。

B
将来完成时，must表肯定的判断。表 到那时肯定。。。

A
be to do表计划，用其被动式表谈判计划被开启

C
before 1900，表过去的过去时间，用过去完成时，实验是被实施，所以C

D
动名词作主语。迟到了几分钟不足以作为开除她的理由。

Answer 3

A B A B D