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问题 单项选择题 A1/A2型题

测定二氧化硫最常用的化学方法是四氯汞盐溶液吸收一盐酸恩波副品红比色法和甲醛缓冲液吸收一盐酸恩波副品红比色法，这两种方法的相同之处是（）。

A.显色原理

B.吸收液配制

C.采样时温度控制

D.显色时间

E.空白值的吸光度

答案

参考答案：A

阅读理解
选择 阅读下列材料，从A,B,C三个选项中，选出最佳选项回答问题。
Train number
From
    To
   Start
  Arrival
  2641
Chongqing
 Huaihua
   9:00
  17:46
  2642
 Huaihua
Chongqing
   9:45
  20:18
小题1:When should you get on the train if you go to Huaihua from Chongqing?
A.At 9:00 .
B.After nine o’clock.
C.At 9:45.
小题2:When we want to express ideas,we often move our hands to mean something besides languages.Do you know the meaning of this gesture(手势)?                                                          

A.Good luck.
B.We’ve won.                                                    
C.Let me think about it.                                          
小题3:What do you know from the information on the right?
Ren’ai International Food Festival Bill
Beijing roast duck       48.00
Vegetable soup          3.50
Qingdao beer           2.00
Tea                   6.00
Rice(2)                2.00
TOTAL            ￥71.50       
A.It’s a price list in a shop.
B.It’s a menu in a restaurant.
C.It’s a list after having a meal in a restaurant.
小题4:What should he do if a person with AIDS wants to get help? He can ___.
   The London Home
A centre for people with
AIDS
The London Home gives love and
And care, but money is always needed.
111/117 Bute Road, London
Tel: 0171-792 120
A.go　to the Information　Office
B.call 0040-173 654 2427
C.write to 111/117 Bute Road,London
小题5:Which of the following statements is not true?   
*Astronaut’s life
*Two months in space
Was 39.95$
Book Sale　
Rocket To Space---by Diegor Ramivoes
A.You should pay 39.95 now for the book.                          
B.The book is about space and astronaut. Now19.95$
C.The writer of the book is Diegor Ramivoes.            
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单项选择题 A1型题

五味子阻滞β受体作用的表现是（）

A.镇静

B.心率加快

C.心肌耗氧量降低

D.抗溃疡

E.镇咳
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