题目内容

When was the population under 2 billion？

A. In 1.900
B. In 1925
C. In 1950
D. In 1975

查看答案

搜索结果不匹配？点我反馈

更多问题

In what year did the population reach 4 billion？

A. 1900
B. 1925
C. 1950
D. 1975

CROWDING THE PLANET
This chart shows how much the world's population grew between 1900 and 2000, and how much experts believe it will grow by 2025. The numbers are in billions.
What was the world population in 1950？

A. Half a billion
B. 2 billion
C. 2.5 billion
D. 5 billion

A．includeB．includedC．to includeD．will include

A. include
B. included
C. to include
D. will include

When can students use the computers？

A. Only during school time
B. On weekends only
C. At lunch break
D. Anytime they wish