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【单选题】
两个相对距离固定的点电荷所带电量之和为q,当它们各带多少电量时,相互的作用力最大( )A.
, ;
B.
, ;
C.
; ;
D.
, .
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反馈参考答案：
举一反三
【单选题】She said she needed such a table badly and asked me how much ______ table would cost.
A.
such a beautiful wooden round
B.
one such beautiful round wooden
C.
one such round beautiful wooden
D.
such a round beautiful wooden
【简答题】The committee agreed that his papers a wider circulation because of their essential and fundamental interest to a larger audience.
【简答题】The committee agreed that his papers __a wider circulation because of their essential and fundamental interest to a large audience.
【单选题】After describing the planned improvements, she went on _______ how much they would cost.
A.
to explain
B.
explaining
C.
to be explaining
D.
having explained
【单选题】. She said she was in great need of such a table and asked me how much________table would cost.
A.
such a beautiful wooden round
B.
one such beautiful round wooden
C.
one such round beautiful wooden
D.
such a round beautiful wooden
【单选题】The committee agreed that his papers ___ a wider circulation because of their essential and fundamental interest to a larger audience.
A.
proceed
B.
grant
C.
lodge
D.
deserve
【单选题】根据梯度风的关系,在自由大气层中闭合高压系统的风向应为:
A.
南、北半球均逆时针旋转
B.
北半球逆时针旋转，南半球顺时针旋转
C.
南、北半球均顺时针旋转
D.
北半球顺时针旋转，南半球逆时针旋转
【单选题】The chairman of the committee agreed to the proposal that the issue _____ put to the vote.
A.
is
B.
was
C.
be
D.
were
【简答题】After careful______ (consider), the committee agreed on the proposal.
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