题目内容

From the text we can learn that Mr. Starr is very ______ as a historian.

A. conservative
B. cunning and shrewd
C. objective and canny
D. critical and aggressive

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The phrase "sine qua non" in Para. 5, Line 1 possibly means ______.

A. the essential elements
B. the premise
C. the contribution
D. the advantage

建筑结构的功能要求有( )。

A. 安全性、适用性、面积性
B. 安全性、适用性、经济性
C. 安全性、适用性、美观性
D. 面积性、经济性、美观性

.竹脚手架采用生长期为( )以上的毛竹(楠竹)为材料,并用竹篾绑扎搭设。

A. 1年
B. 2年
C. 3年
D. 5年

You should be directly ______ with this issue to make an accurate report of it.

A. informed
B. notified
C. acquainted
D. enlightened

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