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【单选题】
微表情是指人们通过做一些表情把内心感受表达给对，在人们做的不同表情之间，或是某个表情里，脸部会“泄露”出其它的信息。微表情最短可持续1/25秒，尽管一个下意识的表情可能只持续一瞬间，但它很容易暴露情绪。当面部在做某个表情时，这些持续时间极短的表情会突然一闪而过，而且有时表达相反的情绪。 根据上述定义，下列哪项属于微表情？A.
售货员面对衣着寒酸的顾客，笑脸相迎中可能闪过一似轻蔑的嗤笑
B.
间谍通过眨眼向同伙传递信息
C.
小王受到惊吓后，脸部不断地抽搐着
D.
迎着刺骨寒风行走，小李的上下牙齿不断抖动相撞
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【单选题】According to the selection, people with high I. Q. 's are viewed by themselves and others as______.
A.
useful members of society
B.
a little queer
C.
high brows
D.
conceited
【单选题】Which of the following is NOT an example of artificial selection?
A.
the selection by a farmer of the best milk-producing cows for breeding
B.
a breeder's allowing only the fastest horses to reproduce
C.
the selection for reproduction of the best egg-laying chickens by the farmer
D.
an increase in the number of giraffes with long necks because of a decline in the number of low-lying plants used for feeding
【简答题】Q: what are the four principles of topic selection
【单选题】Which of the following is NOT true about natural selection?
A.
Natural selection favors adoptions that help a species to survive.
B.
Natural selection works against extreme changes in a species.
C.
Natural selection allows helpful new traits to spread through a population.
D.
Natural selection occurs in periods of severe environmental disturbances.
【简答题】第三次作业.doc
【单选题】4 Q5: Which of the following is a double-selection control statement?
A.
do…while
B.
for
C.
if…else
D.
if
【简答题】selection marker
【单选题】● Selection criteria for project selection include:
A.
cost versus benefit
B.
risk
C.
contribution towards organizational goals
D.
rate of return
E.
All of the above.
【简答题】第三次作业.doc
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