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【单选题】
桌上拉动木块可以用( )测量出摩擦力的大小。A.
测力计
B.
水平尺
C.
天平秤
D.
米尺
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举一反三
【单选题】Why did many people think that Rock and roll was ruining the youth of America?
A.
Rock and Roll has touched a range of subjects that had largely been taboo.
B.
The music constantly challenged cultural and political authorities
C.
Rock and Roll was often associated with drugs and sex.
D.
All of the above
【简答题】GPS 网的基准包括( )基准、( )基准、( )基准。
【简答题】读我国某地多年月平均降水量、蒸发量与各作物生育期内平均需水量关系图，回 答问题。 小题1:有关该地水资源最缺乏月份的叙述，正确的是 A．降水少，只有80毫米左右 B．气温回升快，大风天气多 C．一年中光照最强的时候，蒸发旺盛 D．正值植物生长后期，需水量大 小题2:有关该地农业可持续发展的叙述，正确的是 ①根据降水变化，调整作物种植结构 ②建设良好的水利基础设施 ③大规模扩大水田面积，增产粮食 ④...
【简答题】GPS 网的基准包括 、 、 。
【单选题】Which of the following statements is not true about rock and roll?
A.
Rock and Roll seldom challenged cultural and political authorities.
B.
As a rebellious kind of music, Rock and Roll touched a range of subjects that had largely been taboo.
C.
Rock and Roll soon found resonance among young Americans since its birth.
D.
Since Rock and Roll was often associated with drugs and sex, parents condemned it as immoral and a threat to the standards of decency.
【单选题】我某公司按CIF条件出口某商品，采用信用证支付方式。买方在约定时间内未开来信用证，但约定的装运期已到，为了重合同和守信用，我方仍应按期发运货物。 ( )
A.
正确
B.
错误
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