单项选择题

To review and assess achievements and summarize and exchange experience ______ the task of our present congress.

A. are
B. is

C. have

D. were
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单项选择题
Here, so profligate has its use become the air conditioner is almost ______ the automobile of the national tendency to overindulge in every technical possibility, to sue every convenience to such excess that country looks downright coddled.
A. as glaring symptom as

B. as glaring a symptom as
C. as symptom glaring as

D. as glaring as a symptom
单项选择题
After the Arab states won independence, great emphasis was laid on expanding education, with girls as well as boys ______ to go to school.
A. to be encouraged


B. been encouraged
C. being encouraged


D. be encouraged
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