[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]The human population growth is the causes of all of the environmental problems.

[单项选择]
The list of ills attributable to obesity keeps growing: Last week, obese people were accused of causing global warming.
This conclusion comes from Shehion Jaeobson of the University of Illinois, U. S. , and a doctoral student, Laura McLay. Their study calculates how much extra gasoline is needed to haul fat Americans around. The answer, they say, is a billion gallons of gas per year. It means an extra 11 million tons of carbon dioxide.
There has been calls for taxes on iunk food in recent years. U. S. economist Martin Schmidt suggests a tax on fast food delivered to people’ s cars. "We tax cigarettes partly because of their health cost," Sehmidt said. "Similarly, leading a lazy lifestyle will end up costing taxpayers more. "
U. S. political scientist Eric Oliver said his first instinct was to laugh at these gas and fast food arguments. But such claims are getting attention.
At the U. S. Ob
A. calculating how much extra gasoline is needed to transport fat Americans around.
B. examining how much more carbon dioxide fat people breathe out every year.
C. calculating how much junk food fat people consume every year in America.
D. examining how much more fat people cost taxpayers due to their lazy lifestyl

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

[填空题]

Problems	Causes	Solutions
Washer Won’t start	1.Chesk the and breaker 　2.Power cord may not be irmly 　　plugged in the receptacle	1.Consult the seller 　2.Make sure power cord is firmly 　　connected
What is Not supplied	1.Water tap may be closed. 　2.Water supply is suspended. 　3.Foreign matters may be ccumulated 　 on the met in the mater inlet.	1.Turn on the water tap. 　2.Clean the 查看答案 [单项选择]Where did the explosions take place A. In some train stations. B. In some business areas. C. In the suburbs of Madrid. D. In the downtown of Madrid. 查看答案 [单项选择] POPULATION ECOLOGY 1 Population ecology is the science that measures changes in population size and composition and identifies the causes of these fluctuations．Population ecology is not concerned solely with the human population．In ecological terms．a population consists of the individuals of one species that simultaneously occupy the same general area．rely on the same resources, and are affected by similar environmental factors．The characteristics of a population are shaped by its size and by the interactions among individuals and between individuals and their environment． 2 Population size is a balance between factors that increase numbers and factors that decrease numbers．Some factors that increase populations are favorable light and temperature，adequate food supply, suitable habitat, ability to compete for resources, and ability to adapt to environmental change．Factors that decrease populations are insufficient or excessive A. A favorable amount of light and water B. An ability to hide from or defend against predators C. A large number of other species competing for food D. A greater number of births than deaths 查看答案 [简答题] POPULATION ECOLOGY 1 Population ecology is the science that measures changes in population size and composition and identifies the causes of these fluctuations．Population ecology is not concerned solely with the human population．In ecological terms．a population consists of the individuals of one species that simultaneously occupy the same general area．rely on the same resources, and are affected by similar environmental factors．The characteristics of a population are shaped by its size and by the interactions among individuals and between individuals and their environment． 2 Population size is a balance between factors that increase numbers and factors that decrease numbers．Some factors that increase populations are favorable light and temperature，adequate food supply, suitable habitat, ability to compete for resources, and ability to adapt to environmental change．Factors that decrease populations are insufficient or excess 查看答案 我来回答: 提交 最新试题 ●    胃食管反流病，由过多的胃十二指肠内容物入食管所致 ●    [单选题]治疗高血压危象最好采用 ( ) ●    [单选题]用于治疗高血压危象的药物是 ●    [单选题] 高血压危象药物治疗首选() ●    [判断题]总工程师是安全生产技术主要负责人，在工作中负责各类技术改造技术规程操作规程等的制定与实施， ●    [单选题]《机车检修工作要求及检查 办法》规定，“四按、三化”记名检修中，( )不属于“三化”的内 网站地图 我要搜题网  版权所有  ©2023  湘ICP备18016427号   购买搜题卡查看答案 [会员特权] 开通VIP， 查看 全部题目答案 [会员特权] 享免全部广告特权 推荐91天 ¥36.8 ￥80元 31天 ¥20.8 ￥40元 365天 ¥88.8 ￥188元 请选择支付方式 微信支付 支付宝支付 点击支付即表示同意并接受了《购买须知》 立即支付 系统将自动为您注册账号 已有账号登录 找回账号密码 请使用微信扫码支付 订单号： 请不要关闭本页面，支付完成后请点击【支付完成】按钮 支付完成 取消支付 恭喜您，购买搜题卡成功 系统为您生成的账号密码如下： 账号 密码 重要提示：请拍照或截图保存账号密码！ 我要搜题网官网：https://www.woyaosouti.com 我已记住账号密码