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【多选题】
含皂苷类化学成分的药材是 ( )A.
甘草
B.
黄芪
C.
人参
D.
柴胡
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反馈参考答案：
举一反三
【单选题】软件的可维护性可用七个质量特性来衡量,分别是:可理解性、可测试性、可修改性、可靠性、可移植性、可使用性和效率对于不同类型的维护,这些侧重点也是不同的,在可维护性的特性中相互促进的是:
A.
可理解性和可测试性
B.
效率和可移植性
C.
效率和可修改性
D.
效率和可理解性
【单选题】A taxi doesn’t run as ____ as an underground train.
A.
fast
B.
faster
C.
fastest
D.
more fast
【单选题】If I had not called for a doctor, your friend ______.
A.
had died
B.
will have died
C.
will die
D.
would have died
【单选题】I was to have made a speech if ____.(97) A. I was not called away B. nobody would have called me away C. I had not been called away D. nobody called me away
A.
a
B.
b
C.
c
D.
d
【单选题】A taxi doesn't run as ___ as an underground train.
A.
fast
B.
fastet
C.
fastest
D.
more fast
【简答题】特性是指可区分的特征，下列特征属于功能性特征的是（ ）。
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