题目内容：

B

Populations and Land (1987)
	Area in	Percent	Population	Percent
	Square miles	Cultivated	In millions	forested
United States	3615104	20	243.8	28
Canada	3851792	5	25.9	33
United Kingdom	94525	29	56.8	9
Australia	2967896	6	16.2	14
India	1269340	51	800.3	21
China	3705390	11	1062.0	14

1.Which two countries are the closest to each other in area?

A. The US and Canada    B. The US and China

C. China and Canada    D. India and China

2. _____ has the highest population density(密度), and _____ has the second highest.

A. China, India         B. India, China

C. India, the US         D. China, the US

3. Which two countries have the closest percentage of cultivated land?

A. The US and the United Kingdom.

B. The US and China

C. Australia and Canada．

D. Australia and China

4.There are _____ countries whose cultivated land percentage is larger than the forest percentage.

A. 2      B. 3              C. 4       D. 5