试题与答案

正确描述固体溶解度的是[ ] A、100克的溶剂里最多能溶解溶质的克数; B、1

题型:选择题

题目:

正确描述固体溶解度的是[ ]

A、100克的溶剂里最多能溶解溶质的克数;

B、100克饱和溶液里所溶解溶质的克数;

C、100克溶剂里最多溶解溶质的克数;

D、一定温度下,某溶质在100克溶剂里达到饱和状态时所溶解的克数

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0804/d51b853f55990df9bb42b244dbb157b4.html

下面是错误答案,用来干扰机器的。

参考答案:D解析:4个网络地址的二进制表示如下:所以129.47.16.254和129.47.17.1属于同一个子网,而129.47.32.254和129.47.33.1属于同一个子网。

试题推荐
题型:阅读理解

阅读理解:

     Mike works very long hours every day. He usually gets up at 17:00. He has a shower and makes

his breakfast. What a funny time to make breakfast! After breakfast he practices his guitar, then he puts

on his jacket and goes to work. To get to work, he takes the number17 bus to the Star Hotel. The bus

usually leaves at 19:15. He works all night. People love to listen to him! He gets home at 7:00, and he

watches the early morning news on TV. He goes to bed at 8:30, a tired but happy man. Can you think

what his job is?                    

1. How long does Mike work? 

A. 7 hours    

B. 8 hours  

C. about 9 hours  

D. all night

2. He _____ and makes his breakfast.  

A. gets up  

B. takes a shower  

C. works      

D. washes his face 

3. What does Mike do after breakfast?  

A. He goes to work.              

B. He puts on his clothes.          

C. He practices his guitar, then puts on his jacket and goes to work.          

D. He practices his guitar. 

4. Maybe he is _____ .   

A. a worker              

B. a singer            

C. a writer              

D. a teacher 

5. How does he go to work?    

A. By car                  

B. By bikes          

C. On foot                

D. By bus

查看答案
题型:单项选择题

很多自称是职业足球运动员的人,尽管日常生活中的很多时间都在进行足球训练和比赛,但其实他们并不真正属于这个行业,因为足球的比赛和训练并不是他们主要的经济来源。
上面这段话在推理过程中作了以下哪项假设

A.职业足球运动员的技术水准和收入水平都比业余足球运动员要高得多。
B.经常进行足球训练和比赛是成为职业球员的必由之路。
C.一个运动员除非他的大部分收入来自比赛和训练,否则不能称为职业运动员。
D.运动员希望成为职业运动员的动力来自于想获得更高的经济收入。
E.有一些经常进行足球训练和比赛的人并不真正属于职业运动员。

查看答案
微信公众账号搜索答案