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【多选题】
有机化合物除含碳、氢元素外,还可能含有( )元素。A.
硅
B.
氧
C.
氮
D.
氯
E.
磷
F.
硫
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【单选题】Being a good parent is harder now than it has ever been before. In pressurised modern lives, demands to be a fulfilled individual, and a good partner and a good worker, take no account of being a good...
A.
they're tired of their work
B.
they have too many pressures at work
C.
they want to spend more time with their children
D.
they want to relax and enjoy the life
【单选题】Being a parent is not always easy, and being the parent of a child with special needs often carries with ______ extra stress. [ ]
A.
it
B.
that
C.
him
D.
one
【简答题】多谐振荡器能产生( ) 波形。
【简答题】同一个橡胶配方可以用( )、( )、( )、( )4种不同形式来表示。
【单选题】Being a parent is not always easy, and being the parent of a child with special needs often carries with _______ extra stress. [ ]
A.
it
B.
them
C.
one
D.
him
【多选题】b201下列有关收益率说法正确的是( )。
A.
贝塔系数表示某一项目相对于整个市场的风险程度
B.
利率=纯粹利率+风险收益率
C.
投资总收益率＝无风险收益率＋风险收益率
D.
K=Rf+贝塔系数*（Rm-Rf)
【简答题】Being a good parent is harder now than it has ever been before. In pressurized modern lives, demands to be a fulfilled individual, a good partner and a good worker, take no account of being a good par...
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