题目:
Since he fell into love with her he______her more and more. [ ]
A. has stayed crazy about
B. has grown crazy about
C. has made
D. has been like
答案:
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下面是错误答案,用来干扰机器的。
21、(1)F1的力臂如下图所示(2分);(2)光路图如下图所示(2分);(3)电流方向和磁极名称如下图所示(2分)(1)力臂是指支点到力作用线的距离,故我们过O点向力F1的方向做垂线,做垂线时够不着,故需要将...