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【单选题】
主销后倾角的作用除了保持汽车直线行驶外,另一作用是()
A.
形成的稳定力矩
B.
减少轮胎磨损
C.
形成车轮回正的稳定力矩
D.
提高车轮工作的安全性
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参考答案:
举一反三
【单选题】At the Copenhagen conference, all the countries were called on to do all they could to control greenhouse gas emissions________it was too late.
A.
when
B.
after
C.
until
D.
before
【多选题】生产计划中的主要指标有()
A.
产值指标
B.
品种指标
C.
质量指标
D.
产量指标
【简答题】In all countries, employment in this activity never went beyond 1%.
【单选题】( )的工频电流通过人体时,人体尚可摆脱,称为摆脱电流。 A、0.1mA B、2mA C、4mA D、10mA
A.
1
B.
2
C.
3
D.
4
【多选题】主生产计划的主要指标有( )。
A.
产量指标
B.
销售额指标
C.
产值指标
D.
品种指标
【单选题】阅读材料,回答题。 We all know that it is possible for ordinary people to make their homes on the equator (赤道), although often they may feel uncomfortably hot there. Millions do it. But as for the NorthPole (北...
A.
feeling uncomfortably hot on the equator
B.
flying over the North Pole
C.
flying over the equator
D.
homes on the equator
【单选题】In order to solve the problem of global warming, all countries should ______.
A.
replace all the harmful substances
B.
make progress in economy development
C.
share ideas and bear common responsibilities
D.
develop advanced technology to improve the situation
【多选题】压电式加速度传感器参数中有( )灵敏度( )灵敏度( )灵敏度。
A.
电压灵敏度
B.
加速度灵敏度
C.
横向灵敏度
D.
电荷灵敏度
【单选题】( )的工频电流通过人体时,就会有生命危险。 A、0.1mA B、1mA C、15mA D、50mA
A.
1
B.
2
C.
3
D.
4
【单选题】They do eye exercises twice a day , so ____of them ____glasses.
A.
few, put on
B.
few , wear
C.
a few , put on
D.
a few, wear
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