26.(　　　 ) Zhang Yining has trained continuously for six hours. _____ she is tired out.

A. There is no wonder　　　 　　　 B. There is no need

C. It’s no wonder　　　　　　　 　　　 D. It’s no doubt

25.(　　　 ) Mr Smith never does any reading in the evening;____ .

A. so does Mrs Smith　　　　　 　 B. neither doesn’t Mrs

C. nor does Mrs Smith　　　　 　 D. nor Mrs Smith does

24.(　　　 )It is useless to argue with him. You might just____　 go to the seaside to argue with the sea.

A. as well　　　 B. well　　　 C. as well as　　　 D. so well as

23.(　　　 )You would be offered a(n) _____ of $5, 000 for the arrest of the murdered, according to the news on TV last night.

A. prize　　　　　 B. award 　　C. reward　　　　　 D. result

22.(　　 )“After World War Ⅱ,many of the cities across western European countries_____ , ”our guide said.

A. lied in ruin　 B. lay in ruins　　 C. lay in ruin　　　　 D. lying in ruins

I.单项填空(共23小题；每小题1分)

21.(　　　 ) The audience waited until the curtain rose and then_____　 laughter at the sight of the funny actor.

A. burst out　　　 　 B. burst into　　　 C. broken into　　　　　　 D. began with

听下面5段对话，回答1至5题。

1.(　　　 )What does the woman mean?

A.They should dress formally in Rome.

　B.They should be more casual than country people.

try people are usually casual.

2.(　　　 )What are the speakers talking about?

A.Teachers　 B.Studies　 C.Schools.

3.(　　　 )What can we know about the man?

A.He is angry. 　　B.He is disappointed.　 　C.He loses his way.

4.(　　　 )How is the man getting on with his studies?

A.Very well . 　　B.Just so-so . 　C.Badly.

5.(　　　 )Where does the conversation take place?

A.In the classroom　　 　B.In the library 　　　C.On the playground.

听第6段材料，回答第6至7两个小题。

6.(　　　 ) When did the alarm go off?

A.30 minutes ago. 　　B. 25 minutes ago.　 C.5 minutes ago

7.(　　　 )What is the relationship between the speakers?

　A.Brother and sister 　　　B.Boss and secretary 　　　C.Mother and son

听第7段材料，回答第8至9三个小题。

8.(　　　 )What is wrong with the man?

　　　　　 A.He is seriously ill 　　B.He gets tired easily　 C.He loses too mch weight.

9.(　　　 )What does the woman adivise the man to do?

A. Have some physical examination

B.Pay much attention to what his boss says

C.Have his meals on time.

听第8段材料，回答第10至12三个小题。

10.(　　　 )When will the man fetch his suit?

A.On Monday　 　B.On Wednesday.　　　 C.On Thursday.

11.(　　　 )How much does the man pay for washing his shirts

A.10 dollars 　　　　B.20 dollars 　　　C.30 dollars.

12.(　　　 )What can we learn from the conversation?

A.The laundry closes at 7:30 pm on the weekend.

　B.All the buttons on the man’s shirts are loose.

C.The man pays 50 dollars for all his clothes.

听第9段材料，回答第13至16四个小题。

13.(　　　 )Where does the man wait for the woman?

A.In the hall .

B.On the fifth floor

C.In their room.

14.(　　　 )What can we know about the windows of the speakers’ room?

A.They are facing south　 B.They are facing the garden

C.They are facing north..

(　　　 ) 15.How much will the speakers pay for their room totally?

A.280 pounds 　　　B.560 pounds .　　 　C.240 pounds.

16.(　　　 )What does the woman want to do?

A.Take a bath . 　B.Have a good meal.　 C.Go to bed.

听第10段材料，回答第17至20四个小题。

17.(　　　 )What season is the best to visit Spain?

A.Spring . 　B.Summer.　 C.Autumn.

18.(　　　 )Why is train travel becoming more and more popular in Spain?

A.The train speed is improving and fuel is rising.

B.Passengers can enjpy mouth-watering food on the train

C.Passengers can travel longer distances on the train.

19.(　　　 )What are there in the grand class cabin?

　A.Seats, a small table and a shower.

　B.Seats, a small table and toilet things.

C.Seats, a small table and comfortable beds.

20.(　　　 )Which of the following is TRUE according to the talk?

A.The speaker is an environmentalist.

B.The speaker lives in Madrid.

C.The speaker knows a lot about train travel in Spain.

28、(14分)某学生利用以下装置探究氯气与氨气之间的反应。其中A、F分别为氨气和氯气的发生装置，C为纯净干燥的氯气与氨气反应的装置。

请回答下列问题：

(1)装置A中的烧瓶内固体不可以选用　　　　 　　　　(选填序号)。

A．生石灰　　　　 B．碱石灰　　　　 C．五氧化二磷　　 D．烧碱

(2)B装置的作用　　 　　　　　　 ；

E装置的作用　　 　　　　　　　　；

(3)通入C装置的两根导管左边较长、右边较短，目的是　　　　 　　　　　　。

(4)装置F中发生反应的化学方程式是　　 　　　　　　　　　　　　　　　。

(5)装置C内出现浓厚的白烟并在容器内壁凝结，另一生成物是空气的主要成分之一。请写出反应的化学方程式：　 　　　　　　　　　　　　　　　。

(6)从装置C的G处逸出的尾气中可能含有黄绿色的有毒气体，如何处理？

　 　　　　　　　　　　　　　　　　　　　　 。

27、(11分)在2L密闭容器内，800℃时反应：2NO(g)+O₂(g)2NO₂(g)体系中，n(NO)随时间的变化如表：

　　　 　 (1)写出该反应的平衡常数表达式：K=　　　　　　 。

已知：＞，则该反应是　　　 热反应。

(2)右图中表示NO₂的变化的曲线是　　　 　　　　　。

用O₂表示从0－2s内该反应的平均速率v=　　　 。

(3)能说明该反应已达到平衡状态的是　　　　　　 。

a．v(NO₂)=2v(O₂)

b．容器内压强保持不变

c．v_逆(NO)=2v_正(O₂)

d．容器内密度保持不变

(4)为使该反应的反应速率增大，且平衡向正反应方向移动的是　　　　　 。

a．及时分离除NO₂气体　　　 b．适当升高温度

c．增大O₂的浓度　　　　　 d．选择高效催化剂

26、(7分)美国阿波罗宇宙飞船上使用的氢氧燃料电池是一种新型的化学电源，被称为21世纪的明星电池，其构造 如图所示：两个电极均由多孔性碳制成，通入的气体由孔隙中逸出，并在电极表面放电。

(1)a是 　 极(填“正”或“负”)，其电极反应式为　　　　　　　 　　　　 　，

b极的电极反应式　　　　 　　　 　　　　 。

(2)某些碳氢化合物也可作为燃料电池的燃料，如天然气(甲烷)等。若将上图中H₂换成CH₄时，电池内总的反应方程式为 ：CH₄+2O₂+2OH^－＝CO₃^2－+3H₂O。请写出a极的电极反应式　　　　　　　　　　　　　　　　　　　　 。