题目

读澳大利亚和美国本土农业带分布图及两国地形剖面图，完成下列小题。 （1） 下列关于两国叙述，不正确的是（） A . 两国共同的地形地势特征：呈三大纵列带分布，东西两侧高，中间低 B . 两国农业生产的共同特点：地域专业化，机械化水平高 C . 两国均为农产品出口大国，但出口的农产品有所不同 D . 两国经济增长主要依赖于服务业 （2） 下列关于美国的叙述，正确的是（） A . 著名的“硅谷”位于洛杉矶的西南部 B . 东部地形以Directions: Complete the following Passage by using ONE word that best fits the context.      New studies show how food and its production affect the globe and its climate. The process of making a hamburger, for example, requires lots of energy. A cow has to be fed and raised on farmland. And cow waste is a major source of methane (沼气) 1______ especially powerful greenhouse gas. The cow has to be killed. The meat has to be processed and shipped, 2______ takes fuel. Most of the cow won't even be used for meat people eat. By the time a hamburger finally lands on a dinner plate, 3______ has made bad effect on the environment.      We can reduce the production of global warming gases by eating less beef. Other kinds of meat like porkand chicken do 4______ harm to the environment at least 5______ terms of the amount of greenhouse gasesreleased. 6______, all kinds of meat are harder on the planet than vegetables. 7______ changing our diet toless meat and more vegetables, as it turns 8______, may do the world some good.