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【判断题】
电介质产生的一切宏观效果都是通过未抵消的束缚电荷来体现。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】教材第13页练习二第1、2、3、4、5题。 可做到学习通上,也可以做到本子上拍照上传学习通。
【单选题】Rather than drinking tea hot, many Americans prefer tea served with
A.
ice
B.
milk
C.
honey
D.
salt
【简答题】压型钢板组合楼板有 、 、 三部分组成。
【简答题】It is important that people who have dull jobs find outside interests to keep boredom ______ bay, rather than turn to drinking or smoking.
【单选题】I prefer to have a hamburger rather than________a glass of milk. [ ]
A.
to drink
B.
drank
C.
drinking
D.
drink
【单选题】It is important that people who have dull jobs find outside interests to __________ boredom __________, rather than turn to drinking or smoking.
A.
keep ... at bay
B.
be kept ... at bay
C.
have kept ... at bay
D.
have been kept …at bay
【简答题】七年级下册数学课堂练习册f版第七单元练习二第1课时答案
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