Who is most likely to be the author of the passage
A politician.
B. An artist.
C. A doctor.
D. A salesman.
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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
The best title for the text may be______. A) Use Humor Effectively C) Add Humor to Speech B) Different Humor Strategies D) Various Kinds of Humor
A. The best title for the text may be______.
B. Use Humor Effectively
C. Different Humor Strategies
D. Add Humor to Speech
E. Various Kinds of Humor
蛋白质分子中的r螺旋属于蛋白质的结构是
A. 一级结构
B. 二级结构
C. 三级结构
D. 域结构
E. 四级结构
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