[填空题]The chief causes of water shortage are population growth and water pollution.

[多项选择]

Shortage of Fresh Water

[单项选择]The shortage of water became more（）this summer with the highest temperatures in 40 years.
A. needy
B. latent
C. uneasy
D. acute

[单项选择]The shortage of water became more ______ this summer with the highest temperatures in 40 years.
A. needy B. latent C. severe D. dredge

[多项选择]用英文写一篇题为“Global Shortage of Water”的文章。内容包括：
(1)人们认为水资源是取之不尽的(提示：雨水、井水、河水等)；
(2)水资源紧缺的原因(提示：人口增加、工业用水增加、污染等)；
(3)你的建议是…

[填空题]The warming causes population explosions of mosquitoes as well as beetles, but it has been documented that the latter have done more damage to man than the former have.

[填空题]
A new study warns that about thirty percent of the world’s people may not have enough water by the year 2025.
A private American organization called (1) Action International did the new study. It says (2) than three-hundred-thirty-five-million people (3) enough water now. The people live in twenty-eight (4) . Most of the countries are in Africa or the (5) East.
P-A-I researcher Robert Engelman says (6) the year 2025, about three-thousand-million people (7) lack water. At least 18 more countries are (8) to have severe water problems. The demand (9) water keeps increasing. Yet the amount of water on Earth (10) the same.
Mr. Engelman says the population in countries that lack water is (11) faster than in other parts of the world. He says (12) growth in these countries w