皮皮学，免费搜题
登录
搜题
【多选题】
刻度尺的使用方法?A.
为了避免尺端零点不准引起误差，可选择某一刻度作为起点，读取被测物两端所对应的刻度值，二者之差即为被测物的长度。
B.
测量值读到最小刻度值。
C.
首先要看刻度尺的量程（上限值与下限值之差）和分度值（精度）。 测量时，应使米尺刻度与待测物之间无间隙，且视线应垂直于刻度尺。
D.
测量值读到最小整刻度值和一位估计值，不要忘记单位。
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】听力原文：M: Susan, have you read the notice on the bulletin board? I've won the scholarship for the next semester. W: I knew you would. You certainly deserve it. Q: What does the woman mean? (17)
A.
His only son is dying.
B.
His mother died some time ago.
C.
He didn't look after his sick wife.
D.
He hasn't taken good care of his son.
【单选题】听力原文：M: Susan, have you read the notice on the bulletin board? I've won the scholarship for the next semester. W: I knew you would. You certainly deserve it. Q: what does the woman mean? (19)
A.
She is surprised at the news.
B.
She has also won a scholarship.
C.
She has confidence in him.
D.
She is not interested in the news.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
