题目内容

The weeds and tall grass in that yard make the house look as if it______vacant for quite some time.

A. were
B. was
C. had been
D. has been

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患儿，男孩，7岁，因发热、意识障碍诊断为病毒性脑炎收入院治疗。
该病80％有以下病毒引起

A. 乙脑病毒
B. 腮腺炎病毒
C. 柯萨奇病毒
D. 疱疹病毒
E. 合胞病毒

Because he has worked in our company for a very short period of time, I have very little information______my opinion of his value to the company.

A. which to be based on
B. which to be based on
C. to base on which
D. on which to base

该病的病变主要发生在

A. 脊神经根
B. 脑神经
C. 面神经
D. 股神经
E. 以上都不是

Be the consequences______they may, I will not shrink from doing my duty.

A. that
B. which
C. what
D. as