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【单选题】
红楼梦的作者是：（）A.
承恩
B.
C.
D.
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反馈参考答案：
举一反三
【简答题】肾内有两种感受器与肾素分泌的调节有关，它们是______和______。
【简答题】产生于买方市场条件下的营销观念是( ) A)生产观念 B)产品观念 C)推销观念 D)市场营销观念 E)社会营销观念
【简答题】This building is 4 times as (high) ______ as that one.
【单选题】This building is ___ that one.
A.
three metres higher than
B.
higher three metres than
C.
so high as
D.
twice high as
【单选题】This building is too old and dangerous. It should _ __ dowm [ ]
A.
to pull
B.
pull
C.
is pulled
D.
be pulled
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