4. There are over 100 students in our class. (改為同義句) 

There are             100 students in our class.

3. How many people are there in Shanghai? (改為同義句) 

      is             of Shanghai?

2. The population of China is over1,300,000,000. (對畫線部分提問)

             the population of China?

There are three million people in the city. (改為同義句) 

The            the city       three million.

6. 你知道每分鐘有多少嬰兒出生嗎？

 Do you know                     are born every minute?

5. 中國的人口約13億。

The population of China is about             .

4. 在許多國家，人口增長是一個大問題。

               is a big problem in many countries.

3. 北京是一座大城市，人很多，噪音、車輛 (也) 很多。

Beijing is a       city,               people and              noise and traffic.

2. 我正在為一個報告準備一些資料。

I'm        some notes        a report.

1. 我們在這兒討論它正合適！

2. We are                     to talk about it！