下图所示的是磁感应强度B、正电荷速度v和磁场对电荷的作用力F三者方向的相互关系图 发布时间:2017-06-12 00:33 │ 来源:www.tikuol.com 题型:不定项选择 问题: 下图所示的是磁感应强度B、正电荷速度v和磁场对电荷的作用力F三者方向的相互关系图(其中B垂直于F与v决定的平面,B、F、v两两垂直)。其中正确的是[ ]A.B.C.D.
题型:不定项选择 阅读短文,根据短文内容完成表格Today, I’ll make three bowls of noodles. The large one is for my father. I’ll put a tomato and two eggs in it. My mother will have a medium bowl. I’ll put some chicken and some potatoes in it. And I’ll make the small one for myself. I’d like mutton in it. Now let we begin my work.WHOWhat’s in it?What else?Father1________________Large2.__________Some chicken and some potatoes.3____________I4.________________5.___________ 查看答案
题型:不定项选择 在影响供给的其他因素不变的条件下,供给量在同一条供给曲线上随商品本身价格变化而发生同方向变化称为( )。A.供给量的变化 B.影响供给量的因素变化 C.供给的变化 D.影响供给的因素变化 查看答案