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【多选题】
在引发剂引发自由基聚合反应时,常用的引发剂的类别有:A.
偶氮双腈类引发剂
B.
有机过氧类引发剂
C.
无机过氧类引发剂
D.
氧化--还原引发体系
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举一反三
【单选题】______, people don't like to be made fun of.
A.
In ganeral
B.
In general
C.
In genaral
D.
In generel
【单选题】Which of the following is the most reasonable cause of euthanasia?
A.
People don't like to live too long.
B.
People don't like to suffer from lasting chronic diseases.
C.
People don't like to be hospitalized.
D.
People don't like to become a burden of others.
【单选题】The total costs of providing the service of transportation consist of fixed costs and（ ）.
A.
variable costs
B.
administrative costs
C.
costs of repairs
D.
costs of crew
【多选题】生物半衰期是指()
A.
吸收一半所需的时间
B.
药效下降一半所需时间
C.
血药浓度下降一半所需时间
D.
体内药量减少一半所需时间
E.
与血浆蛋白结合一半所需时间
【单选题】If marginal costs equal average total costs,
A.
average total costs are falling.
B.
average total costs are rising.
C.
average total costs are maximized.
D.
average total costs are minimized.
【单选题】More and more people don't like to be with smokers in ( )room.
A.
same
B.
some
C.
the same
D.
the some
【单选题】When marginal costs are below average total costs,
A.
Average fixed costs are rising.
B.
Average total costs are falling.
C.
Average total costs are rising.
D.
Average total costs are minimized.
【简答题】And it can be ( ) when people don't buy. FRUSTRATE
【多选题】邓小平指出:“有些同志说只拥护正确的毛泽东思想,而不是拥护错误的毛泽东思想!这种说法也是有错误的!”这种说法之所以错误,是因为
A.
没有把毛泽东思想科学体系和毛泽东晚年错误思想分开来
B.
没有把毛泽东与其他领导人对毛泽东思想的贡献区分开
C.
没有把毛泽东思想和毛泽东的思想区分开来
D.
没有把毛泽东思想和中国特色社会主义理论区分开
【多选题】下列关于电路工作状态为开路时，叙述正确的是（）。
A.
开路就是电源与负载接成的电路中没有电流通过
B.
开路就是电源与负载接成的电路中有电流通过
C.
在实际电路中，开路有正常开路和事故开路
D.
开路又称断路
E.
在实际电路中，开路都是不正常的
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