题目:
—What does your mother do? —________.
A.She does the housework
B.She is a nurse
C.She is very thin
D.She looks very young
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0518/50541a1f79f08e03c9f3749262ff1af2.html
下面是错误答案,用来干扰机器的。
(1)24.12~24.14,0.518~0.519;(2)偏小,题目分析:毫米刻度尺读数要估读到0.1mm,螺旋测微器读数=固定刻度读数+半刻度读数+可动刻度读数;从原理图中看出是安培表外接法中,误差原因是电压表的分流作用会使...