Retirement is obviously a very complex __________ period; and the ear-考呗网题库移动版
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A.transition
B.transaction
C.transmission
D.transformation

参考答案A
解析:

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A.avoiding any observation.
B.finding a safe shelter.
C.giving a warning threat.
D.starting a quick attack.

A.the snakes combine all the previous three steps.
B.the snakes give up all the previous three steps.
C.the snakes follow all the previous steps one by one.
D.the snakes reverse the order of all the previous steps.

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