（）是指物料产生弹性变形；或恢复变形的能力。（）是指物料产生_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题填空题

（）是指物料产生弹性变形；或恢复变形的能力。（）是指物料产生塑性变形或永久变形的能力。

答案

参考答案：弹性；塑性

写句子

连词成句。

1. 天上细雨由下来洒落

_________________________________________________________________________

2. 轻快的我迈着走着步子

_________________________________________________________________________

填空题

A. Is that clear
B. Can it do some washing
C. Why do you think it is useful
D. It appeared several centuries ago, didn’t it
E. Will robots be the same as people
F. What is it
G. Could you please tell me more about robots
A: Today we are going to talk about a great invention. It looks like a human being. (61)
B: It’s a robot. (62)
A: Of course not. The first robot was invented in 1921.
B: (63)
A: Sure. They can take the place of humans to do some boring work. They can also do a lot of dangerous work instead of humans.
B: (64)
A: No. Robots can do a lot of work instead of people in many ways, but people wouldn’t be replaced by robots. (65)
B: We get it.