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【单选题】
总压为 101.3kPa、100C 时苯和甲苯的饱和蒸汽压分别是 179.18kPa 和74.53kPa,求平衡时: (1)苯的液相组成(以 mol%表示,下同)______; (2)苯的气相组成_____; (3)甲苯的液相组成______; (4)苯与甲苯的相对挥发度为______。 A. 0.3028 B. 0.2558 C. 0.6972 D. 0.4597 E. 0.7442 F. 1.36 G. 2.41A.
B, D, E, G
B.
B, D, E, F
C.
A, C, E, G
D.
A, C, E, F
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【单选题】仲裁庭在作出裁决前，应当先行调解。调解达成协议的，调解书经双方当事人签收后()。
A.
发生法律效力
B.
只能依靠双方当事人自觉履行
C.
不具有法律效力
D.
法院强制执行
【单选题】Which of the following is NOT the society’s response to the animal rights issue?
A.
The public is largely uncaring and indifferent to the issue.
B.
The politicians keep giving way to activities who advocate animal rights.
C.
The sick children and their parents are in favor of animal testing.
D.
The researchers are too soft to respond to the animal rights activists.
【简答题】脊椎动物的运动系统包括______、______和______三部分．
【单选题】It seems that the author of this article______.
A.
is strongly opposed to the animal rights movement
B.
is in favor of the animal rights movement
C.
supports the use of violence in animal protection
D.
hates the use of fake fur for clothes
【单选题】what's the warning made by the author concerning animal rights controversy?
A.
animal rights defenders should be quiet.
B.
animal rights movement has made no contribution to human beings.
C.
if animal rights activists are successful in threatening future animal research, many human life will be in tragedy.
D.
an uncaring majority can not be aroused to protect human beings' future.
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