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【简答题】
给出下列反应机理显示这一反应的所有电子流动情况。预测哪种产物为主要的。 下列反应也能发生给出如下的产物。是否和你上面预测的产物分布一致?不管是还是否，给出解释。
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【简答题】This maehine does not run as__________as that one．
【简答题】补体的生物学作用主要表现在哪些方面？
【单选题】When the people from Papua New Guinea saw pictures of people from other cultures, they ______.
A.
laughed at their facial expressions
B.
understood their facial expressions
C.
were afraid of their facial expressions
D.
were confused by their facial expressions
【单选题】When people are in hard times, .
A.
a. it is uncommon that they seek to escape from their plight
B.
b. they can succeed in doing the things that they have tried to do before
C.
c. facing the challenge is critical
D.
d. it’s not necessary to admit failure
【单选题】When a patient is knocked down in the road, people should .
A.
help him stand up
B.
drag him on to the pavement
C.
give him a cup of coffee to drink
D.
not move the patient until you are sure he has no fracture
【简答题】罗辑思维,( )服务商和运营商,主讲人是罗振宇。
【单选题】When people use language to express feelings and emotions, people are using the _______ function of language.
A.
informative
B.
performative
C.
emotive
D.
metalingual
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