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【多选题】
社会保险的特征主要包括A.
市场性
B.
强制性
C.
商业性
D.
共济性
E.
普遍性
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反馈参考答案：
举一反三
【简答题】2-3 简述直流电机的主要结构和部件及作用。
【简答题】Zong Zi is a traditional food in China which is eaten on Duanwu Festival to honor Qu Yuan-one of the greatest poets(诗人) in ancient China. Qu Yuan threw himself into the Miluo River on May 5th accordin...
【单选题】安装可燃气体探测器时，安装位置应根据探测气体密度确定。若其密度小于空气密度，探测器应位于可能出现泄漏点的________ 或探测气体的最高可能聚集点上方；若其密度大于或等于空气密度，探测器应位于可能出现泄漏点的________ 。
A.
上方；上方
B.
上方；下方
C.
下方；下方
D.
下方；上方
【简答题】______was successful in two fields of activity which did not seem compatible with one another; he was a very successful businessman and a very remarkable contemporary poet at the same time.
【单选题】Which of the following was NOT mentioned as one of the things they did during the long stop in the morning?
A.
Swimming and resting.
B.
Writing diaries.
C.
Watching birds.
D.
Catching insects.
【简答题】简述直流电机的基本结构及各部件的主要作用？
【单选题】His parents are very disappointed______his performance on the stage.
A.
on
B.
for
C.
with
D.
to
【单选题】One way in which both Franck and Hannah did show their love was in theirwillingness to make sacrifices _____ their children.
A.
to
B.
with
C.
for
D.
of
【单选题】--- Which one did he choose from those watches? --- He said he _______ the one made in Shanghai.
A.
has chosen
B.
had chosen
C.
chooses
D.
will choose
【单选题】I asked the girl ______. [ ]
A.
which one she liked best
B.
which one did she like best
C.
which one she likes best
D.
which one does she like best
相关题目：
【单选题】His parents are very disappointed______his performance on the stage.
A.
on
B.
for
C.
with
D.
to
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