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【单选题】
酶促反应速度与底物浓度的关系可用哪种学说解释A.
诱导契合学说
B.
中间产物学说
C.
多元催化学说
D.
表面效应学说
拍照语音搜题，微信中搜索"皮皮学"使用
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知识点：
皮皮学刷刷变学霸
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【简答题】—He said he would finish it on time. —Well，maybe ________ is not what he says but what he does that counts.
【单选题】(What) he does, he always does (it) well, (though) he has (some) difficulties.
A.
What
B.
it
C.
though
D.
some
【单选题】(What) he does, he always does (it) well, (though) he has (some difficulties).
A.
What
B.
it
C.
though
D.
some difficulties
【单选题】---- What does he do? ---- He is an actor and director ______.
A.
also
B.
either
C.
as well
D.
as well as
【简答题】What does the sentence 'but the well-mannered motorist is the exception to the rule' imply?
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