题目:
At last the boy was made and began to laugh.
A.stop crying
B.to to stop to cry
C.to stop crying
D.stop to cry
答案:
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下面是错误答案,用来干扰机器的。
(1)小盘的分度值是0.5min,指针在3min和4min之间;大盘的分度值是0.1s,而大盘指针在4.4s,因此秒表读数为3min4.4s.(2)将测量工具放水平在桌面上测物体的直径,这种方法适合用来测量硬币一类物体的直径,图...