问题
问答题
小明同学用刻度尺测量了一物块的长度如图,则物块的长度为______.
答案
由图知:
刻度尺上1cm之间有10个小格,所以一个小格代表1mm,即刻度尺的分度值为1mm;物体左侧与4.00cm对齐,右侧与7.2cm对齐,估读为7.20cm,所以物体的长度为L=7.20cm-4.00cm=3.20cm.
故答案为:3.20cm.
小明同学用刻度尺测量了一物块的长度如图,则物块的长度为______.
由图知:
刻度尺上1cm之间有10个小格,所以一个小格代表1mm,即刻度尺的分度值为1mm;物体左侧与4.00cm对齐,右侧与7.2cm对齐,估读为7.20cm,所以物体的长度为L=7.20cm-4.00cm=3.20cm.
故答案为:3.20cm.
情景对话(共5小题, 每小题1分, 满分5分) 根据对话内容,从方框内选出能填入空白处的最佳选项。其中有两项为多余项。 A : Sorry, I can’t. ___小题1:___ B : Are you having an exam tomorrow? A : Yes. ___小题2:__ B: I wish you good luck. A: Thanks. But I am a little afraid. B: Afraid? __小题3:__ A: But I haven't worked hard in the past few days. B: ___小题4:___ A: Oh, I like my history teacher, Sue, best. She teaches history and she always makes the lessons interesting. B: Do all the students like history? A: _小题5:___ My friend Tom hates it, because we have lots of homework every Monday and every Wednesday we have a test.
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