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【单选题】
异构化反应初期催比剂活性高，随着催化剂活性的变化，反应温度需（）。A.
提高
B.
不变
C.
降低
D.
不一定
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反馈参考答案：
举一反三
【单选题】Did the woman tell the man her name?
A.
Yes, she did.
B.
No, she didn't.
C.
We are not sur
【简答题】It’s quite ___________(understand) that she was annoyed.
【单选题】What she said was ______.
A.
quite encouraging
B.
quite be encouraging
C.
quite encouraged
D.
quite being encouraged
【单选题】When she heard that her life was in ________ danger, she felt quite at ________ loss. [ ]
A.
the; the
B.
a; a
C.
/; a
D.
a; /
参考解析：
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