皮皮学，免费搜题
登录
搜题
【判断题】
高聚物在变热过程中,容易发生链段运动和整个分子链运动,导致材料软化或熔化,因而高分子材料的耐热性较差。A.
正确
B.
错误
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】After the secretary finished typing the Speech, the businessman ______ .
A.
read it to the audience at once
B.
picked it up and checked it quickly
C.
took it to the airport in a hurry
D.
told the secretary to check it
【简答题】With his work completed, the businessman stepped back to his seat, feeling pleased _____ he was a man of action. A. which B. that C. what D. whether
【单选题】关于呼吸系统的叙述,下列哪项是正确的
A.
呼吸系统的功能仅是进行气体交换
B.
各级支气管称为下呼吸道
C.
呼吸道的壁内均以骨作为支架
D.
肺由肺泡组成
E.
肺不属于呼吸道
【单选题】下列关于呼吸系统的叙述正确的是( )
A.
呼吸系统的功能仅是进行气体交换
B.
鼻、咽、喉、气管属于上呼吸道
C.
主支气管及其在肺内的分支称下呼吸道
D.
肺由肺泡所组成
E.
以上都不对
【简答题】There once lived a rich businessman who had a lazy son. The businessman wanted his son to realize the value of labour and said: “Today, I want you to go out and earn something, failing which you won’t...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
