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【判断题】
偶函数的原函数都是奇函数。A.
正确
B.
错误
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【简答题】What’s the prefix in word “ex-athlete”, and in Chinese, what’s the meaning of the prefix?
【单选题】The prefix in the words prefix and pretest means
A.
before
B.
final
C.
fixed
D.
superior
【简答题】Identify and define the prefix in the following words. For example: external——its prefix is "ex-", which means "outside, away", you fill in the blanks with ex-; outside, away. 1. hyperactive 2. transf...
【单选题】The prefix in the word______ does not change it to a different word class.
A.
endanger
B.
unearth
C.
antiwar
D.
unfair
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