下列各选项所述的两个量,前者一定大于后者的是 A.纯水在25℃和80℃时的pH

题型:选择题

问题:

下列各选项所述的两个量,前者一定大于后者的是                   

A.纯水在25℃和80℃时的pH

B.25℃时,等体积的pH都等于3的盐酸和AlCl溶液中,已电离的水分子数

C.25℃时,浓度均为0.1mol/L的FeCl3溶液和NH4Fe(SO4)2溶液中的c(Fe3+)

D.25℃时,中和体积与pH都相同的氢氧化钠溶液和氨水所消耗HCl的物质的量

考点:燃烧热水的离子积常数水电离的影响因素水的电离平衡
题型:选择题

初产妇妊娠36周,由于公共汽车突停,摔倒,当时觉腹部不适,无 * * 出血,到医院就诊体检发现BP12/8kPa(90/60mmHg),P100次/分,胎心率170次/分

4小时后,突然 * * 出血多,BP10/7kPa(75/50mmHg),P110次/分胎心率100次/分()

A.重复"B"超检查

B.急行剖宫产术

C.止血药

D.急查DIC化验

E.催产素点滴引产

题型:选择题

痉挛型性脑瘫患儿脑损伤的部位为()

A.小脑

B.脑干

C.锥体系

D.锥体外系

E.大脑皮层

题型:选择题

食品防腐剂的抑菌原理主要是改变微生物生长环境,使微生物停止在缓慢增殖的迟滞期。

题型:选择题

(1)‘有一种文化能品尝’

春节的饺子、十五的元宵、端午的粽子、中秋的月饼,每一种节日美食都饱含深情。煎炒烹炸各具风味,色彩搭配明媚温馨,中国饮食融人了艺术、审美元素甚至民族的性格特征,成为中华文化的重要组成部分。

结合上述材料,谈谈你对中华文化特点的认识。(3分)

(2)‘有一种浪费在舌尖’

中华美食让我们畅享的同时,餐桌浪费也触目惊心。数据显示我国至今仍有l.28亿人口在为温饱问题发愁,但每年在餐桌上被倒掉的食物却相当于2亿多人一年的口粮。一项针对北京部分大学餐后剩菜剩饭情况的调查表明,倒掉的饭菜总量约为学生购买饭菜总量的三分之一。为了解身边的浪费现象,九年级某班同学准备对本校学生进行问卷调查。

请你帮助设计3题相关的问卷调查题。(3分)

(3)‘有一种行动叫光盘’

“一粥一饭当思来之不易,半丝半缕恒念物力维艰”。拒绝中国式“剩宴”,网民发起“光盘行动”。其实“光盘行动”的核心理念,不仅仅在于倡导勤俭节约的生活态度,更是通过实际行动,来弘扬艰苦奋斗的发展理念。

(3)请结合自身实际,谈谈如何发扬艰苦奋斗精神,践行“光盘”理念。(6分)

题型:选择题

There is no more fashionable answer to woes of the global recession than "green jobs. " Some state leaders are pinning their hopes for future growth and new jobs on creating clean-technology industries, like wind and solar power, or recycling saw grass as fuel. It all sounds like the ultimate win-win deal: beat the worst recession in decades and save the planet from global warming, all in one spending plan. So who cares how much it costs And since the financial crisis and recession began, governments, environmental nonprofits, and even labor unions have been busy spinning out reports on just how many new jobs might be created from these new industries--estimates that range from the thousands to the millions.
The problem is that history doesn’t bear out the optimism. As a new study from McKinsey consulting points out, clean energy is less like old manufacturing industries that required a lot of workers than it is like new manufacturing and service industries that don’t. The best parallel is the semiconductor industry, which was expected to create a boom in high-paid high-tech jobs but today employs mainly robots. Clean-technology workers now make up only 0. 6 percent of the American workforce. The McKinsey study, which examined how countries should compete in the post-crisis world, figures that clean energy won’t command much more of the total job market in the years ahead. "The bottom line is that these ’clean’ industries are too small to create the millions of jobs that are needed right away," says James Manylka, a director at the McKinsey Global Institute.
They might not create those jobs--hut they could help other industries do just that. Here, too, the story of the computer chip is instructive. Today the big chip makers employ only 0.4 percent of the total American workforce, down from a peak of 0.6 percent in 2000. But they did create a lot of jobs, indirectly, by making other industries more efficient: throughout the 1990s, American companies saw massive gains in labor productivity and efficiency from new technologies incorporating the semiconductor. Companies in retail, manufacturing, and many other areas got faster and per, and millions of new jobs were created.
McKinsey and others say that the same could be true today if governments focus not on building a "green economy," but on greening every part of the economy using cutting-edge green products and services. That’s where policies like U. S. efforts to promote corn-based ethanol, and giant German subsidies for the solar industry fall down. In both cases the state is creating bloated, unproductive sectors, with jobs that are not likely to last. A better start would be encouraging business and consumers to do the basics, such is improve building insulation and replace obsolete heating and cooling equipment. In places like California, 30 percent of the summer energy load comes from air conditioning, which has prompted government to offer low-interest loans to consumers to replace old units with more efficient ones. The energy efficiency is an indirect job creator, just as IT productivity had been, not only because of the cost savings but also because of the new disposable income that is created. The stimulus effect of not driving is particularly impressive. "If you can get people out of cars, or at least get them to drive less, you can typically save between $1,000 and $ 8,000 per household per year," says Lisa Margonelli at the New America Foundation.
Indeed, energy and efficiency savings have been behind the major green efforts of the world’s biggest corporations, like Walmart, which remains the world’s biggest retailer and added 22,000 jobs in the U.S. alone in 2009. In 2008, when oil hit $148 a barrel, Walmart insisted that its top 1,000 suppliers in China retool their factories and their products, cutting back on excess packaging to make shipping cheaper. It’s no accident that Walmart, a company that looks for savings wherever it can find them, is one of the only American firms that continued growing robustly throughout the recession.
The policy implications of it all are clear: stop betting government money on particular green technologies that may or may not pan out, and start thinking more broadly. As McKinsey makes clear, countries don’t become more competitive by tweaking their "mix" of industries but by outperforming in each individual sector. Green thinking can be a part of that. The U. S. could conceivably export much more to Europe, for example, if America’s environmental standards for products were higher. Taking care of the environment at the broadest levels is often portrayed as a political red herring that will undercut competitiveness in the global economy. In fact, the future of growth and job creation may depend on it.

According to the passage, the creation of clean-technology industries will______.

A. ultimately be a win-win deal
B. beat the worst recession in decades
C. largely solve the problem of unemployment
D. contribute little to the total job market

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