短文改错 We are all busy talking about and u

题型:改错题

问题:

短文改错
We are all busy talking about and use the Internet       
which set up in the 1960s. At first, the Internet was       
only used by the government, but in early 1970s,           
the universities, hospitals and banks were allowed to      
use it, too. However, computers were even very expensive    
and the Internet was difficult to use it. By the              
start of the 1990s, computers become cheaper and easier.    
Today it is easy to get on-line and it is talked                
that millions of people use  Internet every day.            
Send e-mail is more and more popular among students.      
It has now become one of the most important parts of people's life.
1. _____
2. _____
3. _____
4. _____
5. _____
6. _____
7. _____
8. _____
9. _____
10. _____
考点:动名词定冠词零冠词副词动词
题型:改错题

某大学自主招生面试时将20名学生平均分成甲,乙两组,其中甲组有4名女学生,乙组有6名女学生.现采用分层抽样(层内采用不放回简单随即抽样)从甲、乙两组中共抽取4名学生进行第一轮面试.

(Ⅰ)求从甲、乙两组各抽取的人数;

(Ⅱ)求从甲组抽取的学生中恰有1名女学生的概率;

(Ⅲ)求抽取的4名学生中恰有2名男学生的概率.

题型:改错题

从性质上看,政府预算是( )。

A.年度政府财政收支计划

B.政府调控经济和社会发展的重要手段

C.具有法律效力的文件

D.月度政府财政收支计划

题型:改错题

简述学前儿童观察力发展的特点。

题型:改错题

“进口口岸”栏应填()。

A.青岛海关

B.广州海关5100

C.东京海关

D.上海海关2200

题型:改错题

当GEN1LINE按钮按出后,会产生什么结果?

A、闭合GLC 1 并且燃油泵由AC NORMAL BUS 供电

B、断开GLC 1 并且燃油泵由GEN 1 供电

C、闭合BTC并且燃油泵由AC NORMAL BUS 供电

更多题库