一张薄的金箔的厚度为0.000000091m,用科学记数法可表示()m. 发布时间:2017-05-09 09:42 │ 来源:www.tikuol.com 题型:填空题 问题: 一张薄的金箔的厚度为0.000000091m,用科学记数法可表示( )m.
题型:填空题 看图,根据情景选择正确的答语。( ) 1. Are these carrots?A. Yes, they are.B. No, they aren't.( ) 2. Are these potatoes?A. Yes, they are.B. No, they aren't.( ) 3. What are they?A. They are onions.B. They are cucumbers. 查看答案