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【简答题】
如图5—23所示梁，跨中C截面的剪力和弯矩值分别为（ ）。
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举一反三
【单选题】What made Joseph give up his dream of buying the Lego Death Star?
A.
The extremely high price of the toy.
B.
The denying attitude of the father.
C.
The time he needs to save up the money.
D.
The change of his focus of interest.
【单选题】It was a pity that he __ blind, but to the joy of his family, his dream of becoming a musician _____ true at last.
A.
came; came
B.
went; went
C.
came; went
D.
went; came
【单选题】Ryan,with the help of others, is fulfilling his dream of help African peopleto____________
A.
make new materials
B.
preserve wetland and animals
C.
have clean air
D.
have clean water
E.
collect cigarette butts
F.
collect disposed oil
【单选题】设事件A，B，C两两独立，则事件A，B，C相互独立的充要条件是( )．
A.
A与BC相互独立
B.
AB与A+C相互独立
C.
AB与AC相互独立
D.
A q—B与A+C相互独立．
【单选题】设事件A，B，C两两独立，则事件A，B，C相互独立的充要条件是( )．
A.
A与BC相互独立
B.
AB与A+C相互独立
C.
AB与AC相互独立
D.
A+B与A+C相互独立．
【简答题】Ryan,with the help of others,is fulfilling his dream of help African people to ___________．
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