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【单选题】
The function of the cellular signaling network is toA.
maintain a balance between the internal and the external environment.
B.
help enhance the protein within our body.
C.
would overtake human beings early in life.
D.
kill those ill-located or mal-functioned cells.
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举一反三
【单选题】As some speech sounds produced differ only in some detailed aspects, which is called_____
A.
broad transcription
B.
narrow transcription
C.
diacritics
D.
minute shades
【单选题】Although they differ in some ways, they are ______ to each other in hobbies.
A.
similar
B.
same
C.
different
D.
like
【简答题】古典意义上的儿童文学,指那些并不是专门为儿童创作,但适合儿童阅读的作品。它们往往来源于_________、_________,是弥补儿童精神需要的一种_____文学。现代意义上的儿童文学指专为儿童创作的一种______、_______文学门类。
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