窗体中的信息不包括（ ） A．设计者在设计窗口时附加的一些提示信息 B．设计者在设计

（8分）（1）下列物质：①CO₂ ②盐酸  ③烧碱晶体 ④酒精 ⑤铁 ⑥纯醋酸（用编号回答）其中属于电解质的有             ；属非电解质的是             。

（2）按要求写出下列反应的离子方程式：

①铁和盐酸反应：______________________________________

②CuSO₄和Ba(OH)₂反应：                             

阅读理解。

Riding School:

     You can start horse-riding at any age. Choose private or group lessons any weekday between 9 a. m.

and 8:30 P. m. (3:30 p. m. on Saturdays). There are 10 kilometers of tracks and paths for leisurely rides

across farmland and open country. You will need a riding hat.

     Opening Hours:Monday through Friday:9:00 a. m. -8:30 p. m.

     Phone:(412)396-6754  Fax:(412)396-6752

Sailing Club:

     Our Young Sailor's Course leads to the Stage 1 Sailing qualification. You'll learn how to sail safely

and the course also covers sailing theory and first aid. Have fun with other course members, afterwards

in the clubroom. There are 10 weekly two-hour 1essons(Tuesdays 6 p. m. ～8 p. m.).

     Opening Hours:Tuesdays:6:00 p. m. -8:00 p. m.

     Phone:(412)396-6644 Fax:(412)396-6644

Diving Centre:

     Our experienced instructors offer one-month courses in deep-sea diving for beginners. There are two

evening lessons a week,in which you learn to breathe underwater and use the equipment safely. You only

need swimming costume and towel. Reduced rates for couples.

     Opening Hours:Monday and Friday:6:30 p. m. -8:30 p. m.

     Phone:(412)396-6312  Fax:(412)396-6706

Medical Center:

     The staff (职员) of the Medical Center aim to provide convenient and comprehensive medical care to

students and staff of the university. The center is well equipped and the staff here are trained to deal with

a broad range of medical problems. Both female and male doctors as well as nursing staff are available

for consultation(咨询). Also, all kinds of medicines are sold here and are cheaper for students than other

drugstores.

     Opening Hours:24 hour from Monday to Sunday

     Phone:(412)396--6649  Fax:(412)396-6648

Watersports Club:

    We use a two-kilometer length of river for speedboat racing, and water-skiing. A beginners' course

consists of ten 20-minute lessons. You will learn to handle boats safely and confidently, but must be able

to swim. The club is in a convenient central position and is open daily from 9 a. m to 4 p. m, with lessons

all through the day.

     Opening Hours:Monday through Friday:9:00 a. m. -4:00 p. m.

     Phone:(412)396-6899  Fax:(412)396-6890

1. If you want to swim and enjoy activities which are fast and a bit dangerous, you should join     .

A. Watersports Club    

B. Diving Centre    

C. Sailing Club

D. Riding School

2. If you want to experience a new activity in the countryside in the mornings,you may fax        .

A. (412)396-6648    

B. (412)396-6706

C. (412)396-6752    

D. (412)396-6876

3. Which is NOT the convenience that the Medical Center provides?

A. Good equipment.                      

B. Well trained staff members.

C. Various less expensive medicines.         

D. Nursery for newly-born babies

8255A工作在方式1时，端口A和端口B作为数据输入/输出使用，而端口C的各位分别作为端口A和端口B的控制信息和状态信息。其中作为端口A和端口B的中断请求信号的分别是端口C的( )。

A．PC4和PC2

B．PC5和PC1

C．PC6和PC7

D．PC3和PC0

经济法和( )是制定财政法制的基本依据。

A．行政法

B．民法

C．金融法

D．劳动法

托伦试剂试验不可以鉴别（）

A.丙酮与丙醛

B.甲醇与甲酸

C.正丙醇与丙酮

D.甲酸与甲醛