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【单选题】
在原子吸收光谱法中,目前常用的光源和主要参数是( )。A.
氙弧灯,内充气体的压力
B.
氙弧灯,灯电流
C.
空心阴极灯,内充气体的压力
D.
空心阴极灯,灯电流
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举一反三
【单选题】Which of the following is NOT the reason that many people prefer not to be assertive?
A.
They would rather be aggressive than be assertive.
B.
It's often better to give people hints than to be straightforward.
C.
Their needs to express themselves take secondary place before important persons.
D.
They tend to give excuses and justifications for their actions.
【简答题】??many agencies prefer to employ older applicants with experience of meeting people。?? 43__________ 查看材料
【多选题】“拿资本主义的某种发展去代替外国帝国主义和本国封建主义的压迫,不但是一个进步,而且是一个不可避免的过程。它不但有利于资产阶级,同时也有利于无产阶级,或者说更有利于无产阶级。”毛泽东的这段话表明( )
A.
不能全盘否定资本主义
B.
应有条件地保护和发展资本主义
C.
资本主义必然是有利于无产阶级的
D.
资本主义也可以用来服务社会主义国家的发展
E.
资本主义在任何时候都是一种进步
【单选题】Many people prefer to have their tax forms completed by a professional rather than ______ it themselves.
A.
doing
B.
do
C.
to do
D.
did
【简答题】应力的点的概念是指__________________________________________。
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