1 . Russia has the biggest ________（人口）in Europe.

2 .
1. 深的；纵深的adj. ________   深深地adv. ________
2. 人口；人口数量n. ________
3. 亚洲n. ________
4. 旅行；旅游n. & v. ________   旅行者；观光者n. ________
5. 保护；防护v. ________   保护；保卫n. ________
6. 宽的；宽阔的adj. ________   广泛地adv. ________
7. 成就；成绩n. ________   完成；达到v. ________
8. 包括；包含v. ________   包括prep. ________
9. 实现目标；成功v. ________   成功n. ________   成功的adj. ________
10. 力；力量n. ________
11. 自然界；大自然n. ________   自然的adj. ________
12. 重量是……；称……的重量v. ________   重量n. ________
13. 研究；调查n. & v. ________
14. 醒着的adj. ________
15. 疾病；病n. ________   生病的adj. ________

3 . 广东省是中国人口最多的省份。
Guangdong Province has the ________ _________ in China.

4 . —Do you know which country has the largest _______ in the world?
—Of course it is China.

A．land

B．water

C．population

D．gold

6 . China has the largest _________（人口） among the countries of the world.

7 . —What is the ________ of high school students going to college?
—About 70%.

A．percentage

B．number

C．population

D．temperature

8 . The ________ （人口）in that country began to increase fifteen years ago.

9 . 据说印度是世界上第二人口大国。
It is said that India has ________________ in the world.

10 . The________ (人口) of China is the largest in the world.