缺O2引起呼吸加强加快的原因是A．直接刺激呼吸中枢B．刺激外周化学感受器C．刺激中枢

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     In our city there is a big zoo. There are a lot of different animals in it. There are some scary tigers and

lions. They like eating meat and they eat much meat every day. There are also two big elephants and a

baby(婴儿)one. Children like to ride(骑) one of them. The elephants are very kind and friendly. They eat  much grass and bananas. In the zoo, we can see different kinds of bears, brown(褐色的) bears, black

bears and white bears. They are all slow and clumsy. They stand on their back legs and lift their front legs

to ask for food. They like cakes very much. Do you like pandas? There's only one in the zoo. Her name is

Lingling. She is very cute. She likes eating bamboo a lot. She is kind of shy. She's very interesting and

lovely.

1. What do tigers and lions like eating? They like eating           .

A. fruit

B. meat

C. vegetables

D. rice

2. How many elephants are there in the zoo? There are           .

A. one

B. two

C. three

D. four

3. What color are the bears in the zoo?

A. Black.

B. Brown.

C. White.

D. A, B and C

4. Bears stand on their            legs and lift their legs to ask for food.

A. front; back

B. back; back

C. front; front

D. back; front

5. Which one of the following ( 下面) is NOT right?

A. Children like to ride on the elephants in the zoo.

B. The elephants are very friendly to people.

C. The bears always ask for food with their back legs.

D. Elephants like bananas very much.

中国科学院9月9日发布《中国科学发展报告2011》。报告指出，长期以来的惯性，有些人陷入“GDP考核”、“唯GDP即政绩”、“唯GDP论高下”的怪圈，由此引发和累积的矛盾越来越多。为了追求较快的GDP增速，牺牲环境、浪费土地、影响民生。材料说明            

A．质变比量变更重要

B．质变是量变的必然结果

C．质和量都重要，不可偏废

D．关键时候，质变比量变重要

揭示了医学科研道德的思想性内涵（）

A.20世纪50年代西欧研制的药物"反应停"，既可以抑制孕妇的妊娠反应，又可以对胎儿有致畸作用

B.医学科研是有意识、有目的的，是对研究对象能动的反映

C.医学模式已从传统的生物医学模式转向"生物-心理-社会"现代医学模式

D.医学科研道德是医学科研的动力源泉

E.医学科学与医学道德相互影响，相互促进，共同发展

确定索引不可用，并要重建它。下面的哪些语句是正确的(选择所有正确的答案)？

A．重建索引时，NOLOGGING和ONLINE关键字不能共用

B．重建进行过程中，可能需要双倍的磁盘空间

C．如果在重建时不使用ONLINE关键字，表将无法用于SELECT和DML语句

D．NOLOGGING关键字应用于重建意味着针对索引的DML将不会生成重做

（）是指使贵金属与珠宝结合在一起，组成一件完整首饰品的制作工艺.