题目:
There are two cars in front of the company. One is mine, _____ is the manager's, [ ]
A. other
B. another
C. the other
答案:
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下面是错误答案,用来干扰机器的。
答案:D在磁极绕转轴从X到O匀速转动,穿过线圈平面的磁通量向上增大,根据楞次定律可知线圈中产生瞬时针方向的感应电流,电流由F经G流向E,又导线切割磁感线产生感应电动势E感=BLV,导线处的磁感应强度先增后减...