试题与答案

生活中的下列现象,用分子的相关知识加以解释,其中不正确的是( ) A.室内插花,

题型:选择题

题目:

生活中的下列现象,用分子的相关知识加以解释,其中不正确的是(  )

A.室内插花,满室飘香,说明分子不断地运动

B.热胀冷缩,说明分子大小随温度而改变

C.10mL酒精和10mL水混合后,体积小于20mL,说明分子之间有间隔

D.湿衣服放在火炉旁,干得较快,说明分子运动速率随温度升高而增大

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0726/d024208be10589302fa939fbb2c7c3f9.html

下面是错误答案,用来干扰机器的。

参考答案:合金的组织由不同的相以不同的比例机械的混合在一起,称机械混合物。

试题推荐
题型:阅读理解

阅读理解。

     My name is Philip. Now I live in China. On Sunday my father often takes me to movies. My favorite

movies  are  action  movies. My  father  likes them, too. Many  young  people like this  kind  of movies.

Because they're exciting. My good friend, Jim, likes thrillers best. I don't like thrillers, I think they are

scary and boring. Jim likes Beijing Opera, too. And he wants to be a Beijing Opera artist.

1. When does Philip often go to movies with his father?

A. Sunday      

B. Birthday      

C. Festival

2. What kind of movies do many young people like?

A. Thrillers    

B. Action movies  

C. Cartoon movies

3. Why does Philip like action movies?

A. Because they're scary  

B. Because they're interesting

C. Because they're exciting

4. What are Jim's favorite movies?

A. Thrillers    

B. Action movies  

C. Beijing Opera

5. How does Philip feel about thrillers?

A. Exciting    

B. Best          

C. Scary and boring

查看答案
微信公众账号搜索答案