慢性脓胸的治疗原则()A．纠正营养不良，改善全身情况 B．纠正慢性中毒症状 C．消灭

EVDO空中接口协议栈各层中，（）主要用来提供身份认证和加密功能。

A.应用层

B.连接层

C.安全层

D.物理层

原发性硬化性胆管炎可能性大的是（）

A.肝内外胆管扩张，胆总管中下段靠近胰头可见一低回声肿块

B.胆总管扩张，管腔内见数毫米宽的长条状平行双线征

C.胆总管囊状扩张，扩张两端分别与上下端胆管相连

D.胰管扩张，胆总管扩张

E.肝外胆管壁明显增厚，回声增强，胆管外径无明显增大，内径明显狭窄，肝内胆管轻度扩张

阅读理解。

     From the moment that an animal is born it has to make decisions. It has to decide which of the things

around it are for eating, and which are to be avoided ; when to attack and when to run away. The animal

is, in fact, playing a very dangerous game with its environment, a game in which it must make decision-a

matter of life or death.

     Animals' ability to act reasonably is believed to come partly from what we may call"genetic (遗传性的)

learning", which is different from the individual (个体的) learning that an animal does in the course of its

own lifetime. Genetic learning is learning by a species -animals of the same kind-as a whole, and it is

achieved by selection of those members of each generation that happen to act in the right way. However,

the role of genetic learning depends upon how similar the future environment is to the past. The more

important individual experience is likely to be, the less important is genetic learning as a means of getting over

the problems of the survival game. Because most animals live in ever changing environments from one

generation to the next, it is not surprising to find that very few species indeed depend wholly upon genetic

learning.

     In the great majority of animals, their particular ways of acting in a new environment are a compound

(复合体) of individual experience added to the action patterns animals are born with.That is why animals

can survive.

1. The animal's life will come to an end _____.

A. if the animal makes a wrong decision

B. if the animal plays a dangerous game

C. when the animal attacks its enemy

D. when the animal runs too slowly

2. Very few species depend entirely on genetic learning because _____.

A. each generation has its own way of learning

B. their environments change all the time

C. they can act reasonably on their own

D. it takes their whole life to learn

3. When the environment doesn't change much,  _____.

A. animals cannot act in a right way

B. genetic learning is less important for animals

C. individual learning plays a less important role

D. animals cannot get over problems on their on their own

4. Animals' living on generation after generation depends on _____.

A. their natural action pattern with their own experience

B. the lessons they have learnt during their lifetime

C. their experience in particular environments

D. the knowledge passed on by their parents

党的十七大指出，要加快推进改善民生为重点的______________，推动建设和谐社会。[ ]

A、民主政治建设     

B、思想文化建设     

C、精神文明建设     

D、社会建设

按照《行政复议法》的规定，管理相对人认为行政机关的具体行政行为所依据的规定不合法，可以（）向行政复议机关提出对该规定的审查申请。

A.一并

B.单独

C.事后

D.事先