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【单选题】
( )在动物演化上发展到了一个较高阶段,是高等无脊椎动物的开始。A.
腔肠动物门
B.
扁形动物门
C.
环节动物门
D.
节肢动物门
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反馈参考答案：
举一反三
【简答题】是转相。
【单选题】It can be inferred from the text that Lafayette did not understand the French Revolution because ___________.
A.
being a nobleman himself, he took the side of the highest social class
B.
he was divorced from the common people
C.
he misinterpreted the cause of dissatisfaction among the people
D.
He failed to act on Jefferson's advice
【单选题】There is no choice for me but _____ the tedious essay.
A.
have to compose
B.
composing
C.
compose
D.
to compose
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