皮皮学，免费搜题
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搜题
【单选题】
膝反射的反射中枢在A.
骶髓1～2
B.
腰髓5、骶髓1
C.
腰髓4～5
D.
腰髓2—4
E.
腰髓1—2
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】---You should ______ to her for what you did _____her the other day. ---Why should I? It was not my fault. [ ]
A.
apologize; to;
B.
have apologized; to;
C.
apologize; with;
D.
have apologized; about
【单选题】There is no reason why you should tell them ______ that you are going.
A.
for advance
B.
in advance
C.
on advance
D.
of advancing