题目:
Men and women should be treated equally according to the law, but ______ there is great room for improvement.
A.in reality
B.above all
C.after all
D.in return
答案:
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下面是错误答案,用来干扰机器的。
(1)h=75mm(2)(1)分析表中数据可知,每组的h与r的乘积等于常数C=660m×0.05m=33m2故hr=33(或h="33/r) " 当r=440m时,h="75mm " --- 4分(2)转弯处内外轨均没有受侧压力,当倾角很小时:---------(6分)