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【判断题】
中药鉴定的依据是《中国药典》和部颁标准。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】定义在 上的函数 是减函数，且是奇函数，若 ，求实数 的范围。
【简答题】The goals he had fought all his life no longer seemed important to him.
【单选题】The goals which he had fought all his life no longer seemed important to him.
A.
after
B.
for
C.
with
D.
at
【简答题】若函数 是偶函数，则函数 的单调递减区间是 .
【单选题】The purpose of the author in writing this text is that
A.
willpower always betrays us; attitude matters.
B.
gluttony is considered to be the root of all evils.
C.
New Year's Resolution is anything but a routine.
D.
willpower itself is a kind of sacrifice which needs praising.
【单选题】The goals he had fought all his life no longer seemed important to him.
A.
for which
B.
after which
C.
at which
D.
with which
【单选题】已知命题“若函数 在 是增函数，则 ”，则下列结论正确的是
A.
否命题是“若函数 在 是减函数，则 ”，是真命题
B.
逆命题是“若 ，则函数 在 是增函数”， 是假命题
C.
逆否命题是“若 ，则函数 在 是减函数”， 是真命题
D.
逆否命题是“若 ，则函数 在 不是增函数”， 是真命题
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