气管切开后皮下气肿的叙述正确的有（）。 A.由于术中过多分离气管前软组织而产生 B.

胃癌好发于

A．胃体大弯侧

B．胃体小弯侧

C．胃窦

D．幽门

E．胃底

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

Each year there is an increasing number of cars on roads and streets as millions of new cars and trucks are produced. One out of every six Americans works at putting together the parts of cars, driving trucks, building roads or filling cars and trucks with gas.  1  

Most Americans would find it hard to imagine what life would look like without cars. 2 . The polluted air becomes poisonous and dangerous to health.

 3 . That’s what several of the large car factories have been trying to do. But to build a clean car is easier said than done. Progress in this field has been slow.

Another way is to take the place of the car engine by something else.  4 . Many makers believe that it will take years to develop a practical model that pleases man.

To prevent the world from being polluted by cars, we’ll have to make some changes in the way many of us live. Americans, for example, have to cut down on the number of their total cars. They are encouraged to travel and go to work by bicycle. Bicycling is thought to help the air clean. But this change does not come easily. A large number of workers may find themselves without jobs if a car factory closes down.  5 .

Although cars have led us to a better life, they have also brought us new problems.

A．Thus the problem of air pollution would become less important than that of unemployment.

B．Americans know cars very well.

C．However, some have realized the serious problems of the air pollution that is caused by cars.

D．One way to get rid of the polluted air is to build a car that does not pollute.E. However, the number of vehicles has continued to increase in recent years.

F. Americans won’t live without cars!

G. Inventors are now working on steam cars as well as electric cars.

泵吸反循环是依靠（）来保持冲洗液的循环的。

A.压缩空气

B.射流的卷吸作用

C.砂石泵的抽吸作用

下列关于公司减少注册资本的表述中，不符合公司法律制度规定的是______。

A．公司需要减少注册资本时，必须编制资产负债表和财产清单
B．公司减少注册资本时，应当自作出减少注册资本决议之日起10日内通知债权人，并于30日内在报纸上公告
C．公司减少注册资本的，应当自作出减少注册资本决议之日起45日后申请变更登记
D．债权人自接到通知书之日起30日内，未接到通知书的自公告之日起45日内，有权要求公司清偿债务或者提供相应的担保

银行存款的实质性程序包括（）。

A.获取或编制银行存款余额明细表

B.实质性分析程序

C.检查银行存单

D.取得并检查银行存款对账单和银行存款余额调节表