指出透视的缺点（） A.操作方便，费用低 B.可多位置观察 C.能观察器官的动态情况

Dadi Computer Company

LiuYing

Manager

45Nantou，Shenzhen 518000

Tel：0755-6561382

E-mail：ly@hot mail.com

Fax：0755-6660388 

Chaoyang Foreign Language School

Chen Lijun

Music Teacher

65 Xigang，Dalian 116000

Tel：0411-4313861

E-mail：Chenlj@shoul.com

Fax：0411-4312789

Dongfang Children’s hospital

Zhang Jing

Doctor

23 Taiping Road，Qingdao，Shandong 266000

E-mail：zhing@yahoo.com

Fax：0532-4313861 

New Century Bus Company

SongWei

Baiwanzhuang，Beijing，China 100037

Tel：010-88488970 13501368855（mobile）

BP：63987120-30926

小题1:What does Chen Lijun do?

A．She is a manager．

B．She is a doctor．

C．She is a teacher．

D．She is a driver．小题2:Mr Green’s son is ill and feels terrible．He can go to ________．

A．Liu Ying

B．Chen Lijun

C．Song Wei

D．Zhang Jing小题3:I want to buy a computer, I can call the company at ________．

A．0755-6561382

B．0411-4312789

C．13501368855

D．0532-4313861小题4:Jim and his classmates want to go to the Great Wall，they can go to ________．

A．Chaoyang Foreign Language School

B．New Century Bus Company

C．Dadi Computer Company

D．Dongfang Children’s hospital小题5:Does Song Wei have an e-mail address?

A．No，he doesn’t．

B．Yes，he does．

C．Yes，he doesn’t．

D．No，he does．

当事人约定由第三人向债权人履行债务的，若第三人不履行债务，则( )。

A．第三人应当向债权人承担违约责任

B．债务人应向债权人承担违约责任

C．债务人和第三人应当承担连带责任

D．债务人和第三人应当按过错大小向债权人承担违约责任

能够综合反映生产、流通、消费各环节价格总水平变动的价格指数是( )。

A．居民消费价格指数
B．商品零售价格指数
C．国内生产总值(GDP)平减指数
D．商品价格指数

农村中小学公用经费开支范围包括哪些？

下列关于DNA连接酶的叙述正确的是（）

①催化相同黏性末端的DNA片段之间的连接

②催化不同黏性末端的DNA片段之间的连接

③催化两个黏性末端互补碱基间氢键的形成

④催化DNA分子两条链的脱氧核糖与磷酸之间磷酸二酯键的形成

A.①③

B.②④

C.②③

D.①④