【单选题】Why does rain produce a lot of mosquitoes?
A.
Mosquitoes can find enough food in rainy season.
B.
Rain makes grass grow fast.
C.
Rain provides a good living condition for mosquitoes.
D.
Rain provides an abundant supply of water.
【多选题】如图所示,a为带正电的小物块,b是一不带电的绝缘物块,a、b叠放于粗糙的水平地面上,地面上方有垂直纸面向里的匀强磁场,现用水平恒力F拉b物块,使a、b一起无相对滑动地向左加速运动,在加速运动阶段()
【单选题】阿里巴巴的马云 20 世纪 90 年代中后期在美国时发现美国“ ebay ”网的网络销售情况很好,于是其在中国搞了“淘宝”,请问马云选择创业项目的方法是( )。
【简答题】The cost of the new equipment
【单选题】From the conversation, we learn that the cost of the new wing
A.
is more than 90 million.
B.
is less than 90 million.
D.
is 90 million in total.
【判断题】When land with an old building is purchased as a future building site, the cost of removing the old building is part of the cost of the new building
【单选题】What does Doctor Thomas probably think about the cost of the new weight?
A.
It is too high for such a light weight.
B.
It is difficult to judge the value of such an object.
C.
It is a small amount to pay for so much precious metal.
D.
It is reasonable for an object with such an important function. Questions