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Passage 2
Americans don’t like to lose wars．Of course，a lot depends on how you define just what a waris．There are shooting wars—the kind that test patriotism and courage--and those are the kind atwhich the U．S．excels．But other struggles test those qualities t00．What else was the GreatDepression or the space race or the construction of the railroadsIf American indulge in a bit offlag--when the job is done，they earned it．
Now there is a similar challenge--global warmin9．The steady deterioration of the very climateof this very planet is becoming a war of the first order，and by any measure，the U．S．is losing．
Indeed，if America is fighting at all，it’sfighting on the wrong side．The U．S．produces nearly aquarter of the world’s greenhouse gases each year and has stubbornly made it clear that it doesn’tintend to do a whole lot about it．Although l 74 nations approved the admittedly flawed Kyotoaccords to reduce carbon levels，the U．S．walked away from them．There are vague promises ofmanufacturing fuel from herbs or powering cars with hydrogen．But for a country that tightly citespatriotism as one of its core values，the U．S．is taking a pass on what might be the most patrioticstruggle of all. It′ s hard to imagine a bigger fight than one for the survival of a country′ s coasts andfarms, the health of its people and stability of its economy.
The rub is, if the vast majority of people increasingly agree that climate change is a globalemergency, there′s far less agreement on how to fix it. Industry offers its plans, which too oftenwould fix little. Environmentalists offer theirs, which too often amount to native wish lists that couldweaken America′ s growth. But let′ s assume that those interested parties and others will always bentthe table and will always demand that their voices be heard and that their needs be addressed. Whatwould an aggressive, ambitious, effective plan look like--one that would leave the U.S. bothenvironmentally safe and economically so
词义题。要推断某个词义，我们必须借助上下文(即语境)，可以用作词义推断的上下文线索有定语、因果、举例、重述、定义等语义关系。在本文第三段第一句我们读到“The rubis”，很显然．该句接下来的表语部分是对the rub的描述、说明或者解释。本句大意为：如果绝大多数美国人越来越认同气候变化是一个全球性危机，但是如何应对这一危机却不能达成共识。也就是说，有了共识是第一步，如何解决是第二步，这是美国应对全球变暖问题的关键．因此可以推断本题答案为D。
《义务教育数学课程标准（2011年版）》强调，课程内容要反映社会的需要、数学的特点，要符合学生的认知规律。课程内容的组织要重视过程，处理好（）的关系。
设α是某一方程组的解向量，k为某一常数，则kα也为该方程组的解向量。（ ）
案例：
在有理数运算的课堂教学片段中，某学生的板演如下：
针对该学生的解答，教师进行了如下教学：
师：请仔细检查你的演算过程，看是否正确无误？
生：好像正确吧。
请分析例题1、例题2中每一步运算的依据。（10分）
初中数学课程是一门国家课程，其主要内容包括课程目标、教学内容、教学过程和( )等
教师职业道德区别于其他职业道德的显著标志就是（ ）。
对高中数学的评价，下列说法错误的是( )。
