对于平衡能力差的病人宜选用（）。 A.T形单足手杖 B.三足手杖 C.问号形单足手杖

由于家人和身边的朋友均吸烟，这对于青少年的吸烟来说是（）。

A.倾向因素

B.促成因素

C.强化因素

D.抑制因素

E.强制因素

VEP中唯一用于临床的电位是（）。

A.BAEPⅡ皮质下电位

B.BAEPⅢ皮质下电位

C.P100-皮质波

D.BAEPⅣ皮质下电位

E.BAEPⅤ皮质下电位

阅读下面短文，从短文后所给各题的A、B、C、D四个选项中选出能填入相应空白处的最佳选项。   

On August 26, 1999, New York City was struck by a terrible rainstorm. The rain caused the streets to   16  and the subway system almost came to a stop.

Unfortunately, this happened during the morning   17  hour. Many people who were going to work were   18  to go home. Some battled to   19  a taxi or to get on a bus. Still others   20  the storm bravely, walking miles to get to work.

I happened to be one of the people on the way to work that morning. I went from subway line to subway line only to find that most   21  had stopped. After making my way through crowds of people, I finally found a subway line that was   22 . Unfortunately, there were so many people waiting to   23  the subway that I could not even get down the stairs to the   24 . So I took the train going in the   25  direction, and then switched back to the downtown train. Finally, after what seemed like forever, the train   26  my stop. Then I had to walk several blocks in the increasingly heavy rain. When I finally got to my office, I was   27  through, exhausted and discouraged.

My co-workers and I spent most of the day drying off. When it was 5:00 pm，I was ready to go home. I was about to   28  off my computer when I received an email from Garth, my Director:

I would like to thank all of you who made the   29  and eventually reported to work. It is always reassuring (令人欣慰的), at times like these, when employees so clearly show their attention and devotion to their   30 . Thank you.

小题1:.

A．break

B．flood

C．sink

D．crash小题2:.

A．rush

B．work

C．business

D．office小题3:.

A．forced

B．refused

C．invited

D．gathered小题4:.

A．order

B．pay

C．call

D．search小题5:.

A．showed

B．fought

C．broke

D．faced小题6:.

A．practice

B．routine

C．process

D．service小题7:.

A．operating

B．acting

C．turning

D．rushing小题8:.

A．check

B．get

C．board

D．find小题9:.

A．street

B．ground

C．floor

D．platform小题10:.

A．different

B．opposite

C．changed

D．right小题11:.

A．paused

B．crossed

C．reached

D．parked小题12:. A. wet B. hungry   C. angry    D. cold

小题13:.

A．pay

B．get

C．turn

D．put小题14:.

A．rule

B．effort

C．promise

D．model小题15:..

A．computers

B．lives

C．actions

D．jobs

发酵工业获得符合要求的菌种的途径主要有（）.

A.从自然界分离筛选

B.从菌种保藏机构获得

C.从生产过程中的已有菌种中筛选发生正突变的优良菌种

D.从土壤中获得

集权分权相结合的原则是党的基本组织原则。 ( )