1 . China’s high-speed railway ___________ is leading the world. And it is moving further into the world.

A．technology

B．environment

C．population

D．introduction

2 . The world’s ________ is growing larger, and scientists are exploring the universe to look for places for humans to live in.

3 . 中国拥有世界上最多的人口。

China has the ________ ________ in the world.

4 . 中国的人口比印度的多，并且中国在保护环境方面也做得更好。
China has bigger ________ than India and China does better in ________ the environment.

7 . 根据第七次人口普查， 你想了解泉州有多少人口， 你可以这样问：
______________________ of Quanzhou?

8 . —More schools will be built in the future.
—You are right. The ______ is increasing quite rapidly in this area.

A．performance

B．population

C．pollution

9 . The entire ________ /ˌpɒpjʊˈleɪʃən/ of the town was at the meeting.

10 . 我的家乡是一个有着三百万人口的城市。（a population of）
_____________________________________________________