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【单选题】
下列不属于系统开发的指导原则的是()。A.
系统的目的性
B.
系统的整体性
C.
系统的层次性
D.
系统的相关性
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举一反三
【简答题】在橡胶中用短纤维补强时,要使胶料的性能优越,需要注意短纤维在胶料中的()、()、()。
【简答题】Dear Sirs, From the samples sent to us on May 4,we have made selections,and have the pleasure of handing you the following ordeg which we commend to your immediate and bet attention： 360 chests Black ...
【单选题】“We have sent out two best players to the sports meet. What about you？” “Well, not yet. We have few ______, I’d say.”
A.
chosen
B.
to choose
C.
to be chosen
D.
to choose from
【单选题】Americans _________sent a message to the world________ we have never been a collection of Red States and Blue States: we are, and always will be, the United States of America.
A.
that, /
B.
who, that
C.
who, when
D.
that, what
【单选题】()separate cover, we have already sent you samples () various sizes of shoes.
A.
Below,of
B.
Under,of
C.
By,of
D.
By,including
【简答题】写出胆碱能纤维的概念。
【单选题】关于液体制剂特点的正确表述是:
A.
不能用于皮肤、粘膜和人体腔道
B.
药物分散度大、吸收快、药效发挥迅速
C.
药物制成液体制剂稳定性高
D.
不适合婴幼儿和老年人
E.
贮存运输方便
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