内燃机车上的电器怎样分类？

食管镜检查造成食管穿孔，以下治疗原则哪一项是错误的

A．伴有食管恶性病变时应选择食管切除术

B．如食管破口大、污染重，则可行颈段食管外置、空肠造瘘术

C．术中如发现穿孔处污染不重，血运好，则可行穿孔一期修补

D．小穿孔、污染轻、感染中毒症状不重者应立即手术修补

E．如未及时发现，纵隔污染严重，则采取胃肠减压、充分引流及营养支持等治疗

阅读理解。

     Paris is the capital city of the European nation of France. It is also one of the most beautiful and most

famous cities in the world.

     Paris is called the City of Light. It is also an international fashion centre. What women are wearing in

Paris will be worn by women all over the world. Paris is also a famous world centre of education. For

example, it is where the headquarters of UNESCO, the United Nations Educational, Scientific and Cultural

Organization.

     The Seine River divides the city into two parts. Thirty-two bridges cross this beautiful river. The oldest

and perhaps the most well-known is the Point Neuf, which was built in the sixteenth century. The Sorbonne,

a famous university, stands on the left bank (south side) of the river. The beautiful white church Sacre Coeur

lies on the top of the hill called Montmartre on the right bank (north side) of the Seine.

     There are many other famous places in Paris, such as the famous museum, the Louvre, as well as the

Notre Dame. However, the most famous building in this city is Eiffel Tower.

     Paris as well as the Cathedral of Notre Dame is named after a group of people called the Parisaii. They

built a small village on an island in the middle of the Seine River about two thousand years ago. This island,

called the He de la Cite, is where Notre Dame lies. Today around eight million people live in the Paris area.

1. Why is Paris regarded as a fashion centre in the world?

A. Because the clothes there are the most expensive in the world.

B. Because there is the largest collection of the clothes in Paris.

C. Because Paris has the most beautiful clothes in the world.

D. Because Paris plays a leading role in the fashion world.

2. The Point Neuf was built in _____.

A. the 1500s

B. the 1600s

C. the 1700s

D. the 1800s

3. From the passage we know Paris is named after _____.

A. a group of people

B. a famous river

C. a famous museum

D. a famous writer

4. We can conclude that Notre Dame is _____.

A. on the left bank of the Seine River

B. on the right bank of the Seine River

C. on neither bank of the Seine River

D. in Louvre

5. Paris is famous for the following EXCEPT _____.

A. fashion

B. some bridges

C. the Sorbonne

D. the Eiffel Tower

电子商务可以分为三个层次，第三个层次是（）

A.通过网络进行交易

B.通过电子化手段在战术上和策略上改变商业关系

C.电子经济

D.以上都不对

关于吡喹酮药理作用的错误叙述是：

A．对各类绦虫均有效
B．抑制Ca2+进入虫体，使虫体肌肉产生松弛性麻痹
C．对血吸虫的成虫有强大杀灭作用
D．能促进血吸虫"肝移"
E．对血吸虫的童虫也有作用

(二) ABC会计师事务所接受委托对B公司2×10年度财务报表进行审计，委派乙注册会计师为项目负责人，乙注册会计师在进行审计抽样时遇到下列问题，请代为做出正确的专业判断。

乙注册会计师对总体的预计误差率或误差额的评估，有助于设计审计样本和确定样本规模，下列说法中不正确的是( )。

A．在实施控制测试时，通常根据从总体中抽取少量项目进行检查的结果，对拟测试总体的预计误差率进行评估

B．在实施细节测试时，注册会计师通常对总体的预计误差率进行评估

C．在设计审计样本时，注册会计师应当考虑审计程序的目标和抽样总体的属性

D．根据所获取的审计证据的性质以及与该审计证据相关的可能的误差情况，界定误差构成条件