题目内容

During the Gulf War American satellites______.

A. tracked Scuds
B. spotted hidden bunkers
C. eavesdropped on whispered orders
D. all above

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胆固醇不能转变成的物质是

A. 维生素D3
B. 雄激素
C. 雌激素
D. 醛固酮
E. 胆色素

Who is most likely to be the author of the passage

A politician.
B. An artist.
C. A doctor.
D. A salesman.

India's expanding population is not alarming to

A. Europeans
B. Americans
C. Japanese
D. Africa

层高为8m的单层房屋，在L形墙体的转角处，设构造柱共8根，设计断面尺寸240X240，柱高8m，其工程量为（）m3。

A. 4.61
B. 3.69
C. 4.67
D. 5.53