皮皮学，免费搜题
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【判断题】
由于电场中各电势的大小随零电势点的改变而改变,故两点间的电势差的大小也随零电势点的改变而改变。A.
正确
B.
错误
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皮皮学刷刷变学霸
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【简答题】后刀面磨损常以棱面高度的平均值表示,其代号为____。
【单选题】With 950 million people, India ranks second to China among the most populous countries. But since China 【C1】______ a family planning program in 1971, India has been closing the 【C2】______ . Indians ha...
A.
discovered
B.
delivered
C.
launched
D.
transmitted
【单选题】With 950 million people, India ranks second to China among the most populous countries. But since China【C1】______a family-planning program in 1971, India has been closing the【C2】______. Indians have r...
A.
generated
B.
circulated
C.
launched
D.
promoted
【单选题】With everything ,she went out of the shop, with her hands full of shopping bags.
A.
bought
B.
to buy
C.
buying
D.
buy
【单选题】______, we missed our train the day when we were back to Paris.
A.
With the bus late
B.
The bus to be late
C.
The bus being late
D.
The bus was late
【简答题】With all the magazines _____, I left the post office. B.bought C.buying D.to be bought E.to buy
【单选题】湿热带是指一天内有12h以上气温不低于20℃、相对湿度不低于80%的天数，全年累计在（）以上的地区，其气体特征是高温伴随高湿。
A.
4个月
B.
3个月
C.
2个月
D.
1个月
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