不定项选择在下列说法中，不正确的是（ ） A．有序和无序是相对的 B．熵是衡量一个

关于AMI急性期新发的心房颤动，下列叙述错误的是（）

A.恢复窦性心律可能对血流动力学有改善作用

B.对随后的病死率无影响

C.控制心室率对血流动力学有改善作用

D.可同时出现完全性房室传导阻滞

E.心房颤动是AMI并发的一种较常见的心律失常

患者，男，25岁右下后牙咀嚼不适多年，要求治疗。PE：右下6、7残冠，右下7髓腔暴露，颊侧根分叉病变Ⅱ，松Ⅰ，叩（-），龈红肿，BOP（+），对颌牙伸长；右下6近远中向纵裂，断片松Ⅲ；右上4远中及面银汞充填物，部分崩折，松（-），叩（-）。口腔卫生情况不良，牙石（++），全口龈退缩。

修复前准备应包括（）

A.牙周基础治疗

B.牙周手术

C.右下6根管治疗

D.右下7根管治疗

E.拔除右下6

F.拔除右下7

脉浮发热，渴欲饮水，小便不利者，治宜选用

A．文蛤散
B．猪苓汤
C．栝蒌瞿麦丸
D．白虎加人参汤
E．五苓散

阅读理解。

     In the centre of London there is a tall white building with the name "Bush House". It is the home of BBC

English.

     BBC is the abbreviation of the British Broadcasting Corporation. It is an organization maintained by the

government, providing British people with broadcasting and TV service. At first, BBC was established as a

private business. It began to broadcast on February 14, 1922. In 1927, it was reorganized and replaced by

the British Broadcasting Corporation. In November, 1936, it became the first TV broadcasting corporation

in the world with TV programmes broadcast. BBC provides people with the latest news, entertainment and

education. These programmes are not under the control of the government. Nor are they affected by other

organizations. In the meantime, BBC does not express its own opinion on international affairs or public

policy. BBC has two TV channels, covering the whole country, that is BBC-1 and BBC-2 and three radio

broadcast webs, one for family service, another for entertaining programmes, the third for special interesting

programmes. The third web broadcasts four programmes. They are classical music, teaching programmes,

sports and famous arts and common knowledge. BBC programmes include foreign language programmes,

broadcast in 35 foreign languages.

     The BBC World Service sends radio programmes around the world in 42 languages. With a regular

audience of about 140 million listeners, it reaches more people than any other ternational broadcaster. The

World Service also prepares news programmes for its sister television organization and is responsible for

a major new gathering service getting information form the world's media. The World Service receives a

direct grant from the British Parliament for operating international broadcasting.

     BBC English is part of the BBC World Service. BBC English is for people who want to improve their

English. It broadcasts all kind of programmes, which change from month to month. There is a special

grammar programme for explaining difficult grammar points. There are programmes about life in Britian.

There is also a programme about the differences between written and spoken English. English lessons are

broadcast every day on the radio with explanations in English and other languages. They are the easiest to

follow. For example, BBC English broadcasts programmes for China with explanations in Chinese.

     It is not difficult to find out information about the programmes. You can write to BBC English and ask

for any information you need.

     It is necessary to use a short-wave radio to pick up the programmes. Sometimes it is difficult to receive

them clearly. If you do have difficulties, it is better to try once again another day.

1. BBC English broadcasts all kinds of programmes _____. [ ]

A. which change from month to month

B. which change regularly

C. in special grammar rules

D. by explaining different grammar points

2. If one needs any information from BBC English, one can _____. [ ]

A. get it easily free of charge

B. get it easily by paying something

C. hardly get it without paying anything

D. seldom get it just by writing a letter

3. I think all the programmes from BBC English is of great use to you. This sentence means _____. [ ]

A. I think all the programmes from BBC English is very great

B. BBC English has many great useful programmes

C. You can use all the programmes from BBC English

D. All programmes from BBC English are very useful for me

厚度代表值A按（）公式计算。

A.A

B.B

C.C

D.D