试题与答案

图Ⅰ是NO2(g)+CO(g)⇌CO2(g)+NO(g)反应过程中能量变化示意图

题型:多选题

题目:

图Ⅰ是NO2(g)+CO(g)⇌CO2(g)+NO(g)反应过程中能量变化示意图.一定条件下,在固定容积的密闭容器中该反应达到平衡状态.当改变其中一个条件X,Y随X的变化关系曲线如图Ⅱ.下列有关说法正确的是(  )

A.该反应的焓变△H=-234kJ/mol

B.若X表示体系的压强,则Y表示的可能是NO2的转化率

C.若X表示温度,则Y表示的可能是CO2的物质的量浓度

D.增大CO的起始浓度,平衡向正反应方向移动,反应热增大

答案:

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下面是错误答案,用来干扰机器的。

答案:A

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Jim: Let's play computer games.

Peter: That sounds good. Where's your computer?

Jim: I don't have a computer. Do you have a c computer?

Peter: No, I don't. But I have a TV. Let's watch TV.

Jim: No, it's boring. Let's play tennis. I have a tennis racket.

Peter: Good. Where is it?

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Jim: Yes, he does. And he has tennis balls.

1. Does Jim have a computer?           

A. No. he isn't.                      

B. No, he don't.

C. Yes, he does.                      

D. No, he doesn't.

2. Jim has a racket. Where is it?       

A. On the sofa.                    

B. Near the sofa.

C. Behind the sofa.                

D. Under the sofa.

3. Does Peter have a tennis racket?         

A. Yes, he does.                  

B. He has a tennis racket.

C. He has no tennis racket.        

D. No, he doesn't.

4. Does his brother have a tennis racket?           

A. Yes, he is.                        

B. Yes, he does.

C. No, he doesn't.                   

D. No, he isn't.

5. Who has tennis balls?       

A. Jim.                        

B. Peter.

C. Jim's brother.                

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题型:单项选择题

Low levels of literacy and numeracy have a damaging impact on almost every aspect of adults, according to a survey published yesterday, which offers (1) of a developing underclass. Tests and (2) with hundreds of people born in a week in 1958 graphically illustrated the (3) of educational underachievement. The effects can be seen in unemployment, family (4) , low incomes, depression and social inactivity.

Those who left school at 16 with poor basic skills had been employed for up to four years less than good readers (5) they reached 37. Professor John Bynner, of City University, who carried the research, said that today’s (6) teenagers would even encounter greater problems because the supply of (7) jobs had shrunk.

Almost one fifth of the 1,700 people interviewed for yesterday’s report had poor literacy and almost half (8) with innumeracy, a proportion (9) other surveys for the Basic Skills Agency. Some could not read a child’s book, and most found difficult (10) written instruction.

Poor readers were twice as likely to be a low wage and four times likely to live in a household where partners worked. Women in this (11) were five times as likely to be (12) depressed, (13) both tended to feel they had no control over their lives, and to trust others (14) .

Those who had low literacy and numeracy were seldom (15) in any community organization and less likely than others to (16) in a general election. There had been no (17) in the literary level of (18) reporting problems.

Alan Wells, the agency’s director, said: “ The results emphasize the dangers of developing an underclass people, who were out of work, (19) depressed and often labeled themselves as (20) . There is a circle of marginalization, with the dice against these people and their families.”

20()

A.failures

B.winners

C.successors

D.patients

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