Is there enough oil beneath the Arctic National Wildlife Refuge (保护区) (ANWR) to help secure America's energy future? President Bush certainly thinks so. He has argued that tapping ANWR's oil would help ease California's electricity crisis and provide a major boost to the country's energy independence. But no one knows for sure how much crude oil lies buried beneath the frozen earth, with the last government survey, conducted in 1998, projecting output anywhere from 3 billion to 16 billion barrels.
The oil industry goes with the high end of the range, which could equal as much as 10% of U. S. consumption for as long as six years. By pumping more than 1 million barrels a day from the reserve for the next two to three decades, lobbyists claim, the nation could cut back on imports equivalent to all shipments to the U.S. from Saudi Arabia. Sounds good. An oil boom would also mean a multibillion-dollar windfall (意外之财) in tax revenues, royalties (开采权使用权费) and leasing fees for Alaska and the Federal Government. Best of all, advocates of drilling say, damage to the environment would be insignificant. "We've never had a documented case of an oil rig chasing deer out onto the pack ice," says Alaska State Representative Scott Ogan.
Not so fast, say environmentalists. Sticking to the low end of government estimates, the National Resources Defense Council says there may be no more than 3.2 billion barrels of economically recoverable oil in the coastal plain of ANWR, a drop in the bucket that would do virtually nothing to ease America's energy problems. And consumers would wait up to a decade to gain any benefits, because drilling could begin only after much bargaining over leases, environmental permits and regulatory review. As for ANWR's impact on the California power crisis, environmentalists point out that oil is responsible for only 1% of the Golden State's electricity output--and just 3 % of the nation's.
What does President Bush think of tapping oil in ANWR?
A.It will increase America's energy consumption.
B.It will exhaust the nation's oil reserves.
C.It will help reduce the nation's oil imports.
D.It will help secure the future of ANWR.
第1题
下列有关单克隆丙种球蛋白病发病特点的叙述中,不正确的是
A、疾病的突出特点是血清中存在异常增多的M蛋白
B、浆细胞异常增殖
C、M蛋白主要由肝脏合成
D、血清蛋白区带电泳可见特异性的M区带
E、尿液蛋白区带电泳可见特异性的M区带
第2题
有关单克隆丙种球蛋白病发病特点,错误的是
A、疾病的突出特点是血清中存在异常增多的M蛋白
B、B细胞异常增殖
C、M蛋白主要来源于脾细胞的恶性增生
D、血清蛋白区带电泳可见特异性的M区带
E、尿液蛋白区带电泳可见特异性的M区带
第3题
A.浆细胞异常增殖
B.尿液蛋白区带电泳可见特异性的M区带
C.M蛋白主要由肝脏合成
D.血清蛋白区带电泳可见特异性的M区带
E.疾病的突出特点是血清中存在异常增多的M蛋白
第5题
良性单克隆丙种球蛋白病常出现
A.贫血
B.骨髓中浆细胞明显增多
C.血液中M蛋白
D.骨损害
E.黄疸
第6题
免疫增殖病按其异常增高的免疫球蛋白性质可分为
A、单克隆丙种球蛋白病和多克隆丙种球蛋白病
B、原生性丙种球蛋白病和继发性丙种球蛋白病
C、良性丙种球蛋白病和恶性丙种球蛋白病
D、轻链型丙种球蛋白病和重链型丙种球蛋白病
E、重型丙种球蛋白病和轻型丙种球蛋白病
第7题
关于单克隆免疫球蛋白增殖病,患者体内存在的异常增多单克隆Ig特点不正确的是
A、又称M蛋白
B、理化性质十分均一
C、有免疫活性
D、又称副蛋白
E、无与抗体结合功能
第8题
某种免疫球蛋白发生异常升高伴浆细胞增生,首先应考虑存在哪种丙种球蛋白病()
A、非克隆
B、单克隆
C、双克隆
D、多克隆
E、克隆
第9题
下列哪一疾病不属于原发性单克隆丙种球蛋白病()
A、艾滋病
B、多发性骨髓瘤
C、原发性巨球蛋白血症
D、淀粉样变性
E、重链病
第10题
下列哪一疾病不属于原发性单克隆丙种球蛋白病
A、重链病
B、多发性骨髓瘤
C、原发性巨球蛋白血症
D、淀粉样变性
E、冷球蛋白血症
为了保护您的账号安全,请在“上学吧”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!