根据你的生活经验和所学的化学知识判断，下列做法正确的是

题干

根据你的生活经验和所学的化学知识判断，下列做法正确的是（）

A：在食品袋里充入氧气延长食品的保质期

B：钛合金与人体有很好的相容性，可用来制造人造骨

C：不慎打翻酒精灯而着火，用湿抹布扑灭主要是降低着火点

D：常用钢丝球擦洗铝壶可以使其光亮洁净和更耐用

上一题下一题 0.0难度选择题更新时间:2018-03-02 04:57:25

B

请从右栏中为左栏的图片选择相应的文字描述

Picture	Description(描述)
① ____	A. Aren't they lovely? They walk on the ice and snow. They can also swim. Do you want to know more about them?
② ____	B. Do you often watch him play basketball? If you do so, what do you think of him? Good or awesome（令人敬畏的）?
③ ____	C. — I can't find my keys. — Let me help you.
④ ____	D. — Where's your pen friend from? — Sydney. Oh, it's in Australia.
⑤ ____	E. Do you enjoy playing soccer? Look! They often play after school. How excited they are!