我国位于（ ） ①北半球；②南半球；③东半球；④西半球；⑤亚洲东部；⑥太平洋西岸

单词拼写。

1. An e ____ is a kind of machine for raising and lowering something.

2. In America a flat is called an a____.

3. The writer of that country has an ____ (国际) fame.

4. ISBN stands for International S____ Book Number.

5. The Germans speak English with a strong German a____.

6. He had lost his ____ (身份) card and was being questioned by the police.

7. He made ____ (迅速) progress in his English study.

8. They have ____ (承认) him to be their leader.

9. ____ (实际上), you owe me more than this.

10. All the people ____ (在场的) are table tennis lovers.

脂性肾病(1ipoid nephrosis)

按签约各方关系分类，建设工程项目合同又分成多种不同合同，如包工不包料合同是指项目合同中的( )。

A．劳务分包合同
B．劳务合同
C．项目分包合同
D．转包合同

死亡两三天后可出现尸体变质腐烂现象，（）先变为青绿色。

A.脸部

B.腹部

C.胸部

D.腿部

实验中的变量主要有自变量、因变量和无关变量。下列不属于控制无关变量的操作是（）

A.验证光合作用能产生淀粉的实验中，首先将实验植物做饥饿处理

B.验证温度影响酶活性的实验，先将每一组底物和酶溶液分别放在相同温度下适当时间后再混合

C.验证光合作用需要光照的实验中，将叶片的一半用黑纸包住

D.绿叶中色素的提取和分离实验中，制备滤纸条时剪去两角