1960年的农业人口比1950年减少了百分之几?()
A. 10%
B. 30%
C. 50%
D. 60%
查看答案
【C15】
A. For instance
B. In addition
C. By contrast
D. On average
1995年全地区的通路里程为多少公里?()
A. 6652
B. 1131
C. 5521
D. 5421
1990年,中国与拉丁美洲的贸易额为()
A. 125.7亿美元
B. 25.14亿美元
C. 20.95亿美元
D. 21.2亿美元
Which of the following is NOT true?
A. Wheel was man's first and most important invention in history.
B. Wheels are lighter than logs.
C. Wheels were invented before carts.