Global energy demand is expected to triple by mid-century. The earth is unlikely to run out of fossil fuels by then, given its vast reserves of coal, but it seems unthinkable that we will continue to use them as we do now. It’s not just a question of supply and price, or even of the disease caused by filthy air. The terrorist assault on the World Trade Center raises other scary scenarios: how much easier would it be to crack open the Trans-Alaska pipeline and how much deadlier would it be to bomb a nuclear plant than to attack a wind armSkeptics may recall the burst of enthusiasm for conservation and renewable power when oil prices quadrupled in the 1970s. State-funded energy research and development surged, while tax incentives boosted solar, wind and other alternatives to petroleum and the atom. But when oil supplies loosened and prices dropped in the early 1990s, governments lost interest. In the state of California, subsidies evaporated, pushing wind companies into bankruptcy.Clean energy has long way to go. Only 2.2% of the world’s energy comes from "new" renewables such as small hydroelectric dams, wind, solar and geothermal. How to boost that share--and at what pace--is debated in industrialized nations--from Japan, which imports 99.7 % of its oil, to Germany, where the nearby Chernobyl accident turned the public against nuclear plants, to the U.S., where the Bush Administration has strong ties to the oil industry. But the momentum toward clean renewables is undeniable. How soon we reach an era of clean, inexhaustible energy depends on technology. Solar and wind energies are intermittent: When the sky is cloudy or the breeze dies down, fossil fuel or nuclear plants must kick into compensate. But scientists are working on better ways to store electricity from renewable sources.While developed nations debate how to fuel their power plants, however, some 1.6 billion people--a quarter of the globe’s population--have no access to electricity or gasoline. Many spend their days collecting firewood and cow dung, burning it in primitive stoves that belch smoke into their lungs. To emerge from poverty, they need modern energy. And renewables can help. From village-scale hydropower to household photovoltaic systems to bio-gas stoves that convert dung into fuel.Ultimately, the earth can meet its energy needs without fouling the environment. "But it won’t happen," asserts Thomas Johansson, an energy adviser to the United Nations Development Program, "without political will." To begin with, widespread government subsidies for fossil fuels and nuclear energy must be dismantled to level the playing field for renewables. Moreover, government should pressure utility to meet targets for renewable sources of energy. The renewable energy research lost support from governments in the early 1990s because ()
A. skeptics were becoming doubtful about the efficiency of renewables
B. renewables could not meet the increasing energy needs of the society
C. it was much easier and cheaper to use oil than before
D. the investment into the field was not worth its value
国务院总理温家宝2010年5月5日主持召开国务院常务会议,审议并通过《国家中长期教育改革和发展规划纲要(2010~2020年)》。 会议指出,未来十年是我国实施现代化建设“三步走”战略的关键阶段。制定并实施《国家中长期教育改革和发展规划纲要(2010~2020年)》,在新的历史起点上加快推进教育改革和发展,对于建设人力资源强国、满足群众接受良好教育的需求、全面建成惠及十几亿人口的小康社会具有重大战略意义。 请回答以下问题: 有关《国家中长期教育改革和发展规划纲要》,下列说法错误的是( )。
A. 完善中国特色社会主义现代教育体系,办好人民满意的教育,建设人力资源强国
B. 到2020年,基本实现教育现代化,基本形成学习型社会,进入人力资源大国行列
C. 教育是民族振兴、社会进步的基石
D. 我国在党的三代中央领导集体和以胡锦涛同志为总书记的党中央领导下,建成了世界最大规模的教育体系
国务院总理温家宝2010年5月5日主持召开国务院常务会议,审议并通过《国家中长期教育改革和发展规划纲要(2010~2020年)》。 会议指出,未来十年是我国实施现代化建设“三步走”战略的关键阶段。制定并实施《国家中长期教育改革和发展规划纲要(2010~2020年)》,在新的历史起点上加快推进教育改革和发展,对于建设人力资源强国、满足群众接受良好教育的需求、全面建成惠及十几亿人口的小康社会具有重大战略意义。 请回答以下问题: 《教育规划纲要》指出,未来十年教育发展的战略主题是( )。
A. 坚持以人为本、推进素质教育
B. 实现教育现代化,形成学习型社会,进入人力资源强国行列
C. 德育为先
D. 全体人民学有所教、学有所成、学有所用
23岁初孕妇,39周妊娠,近两周来胎动时常感腹痛。入院查体:宫高28cm,腹围85cm,子宫敏感性高,胎位LSA,胎心140次/分,B超检查:胎儿发育正常,羊水指数为7cm。诊断为羊水过少。首选的处理方案是
A. 尽快破膜引产
B. 期待疗法
C. 羊膜腔输液
D. 立即剖宫产
E. 观察