正确答案: B

小张

题目：班里要推选1位同学到校迎新晚会上表演。班长征询同学意见。小王说：小刘很有艺术细胞，小刘合适小白说：小张是舞林高手，小张最合适小刘说：小白唱歌非常好，小白也合适小张说：小白过奖了，小白或小刘都合适如果只有1个人的话与推选结果相符，则推选出来的同学是( )。

解析：观察四个人说的话会发现，"小白或小刘都合适"和"小刘合适"、"小白合适"之间有所交叉，如果这三句话中任意一句话正确，那么都会存在另外一句话也为真，故这三句话都为假，故选择B。

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学习资料的答案和解析：

[单选题]用键盘选定文本时，应按住( )键，再按方向键。

shift

解析：用键盘选定文本时，先利用方向键，把光标移动到所要选择文本的起始位置，再按住shift，最后按方向键选择文档。故选择D。

[单选题]班主任着眼于学生最近发展区，选择一些经过努力能够达成的目标，学生在实现目标过程中体验成功的快乐，这体现了班级日常管理的( )。

激励性原则

解析：方向性原则，即班级目标管理应体现国家的教育目的，体现一定社会及学校对学生要求的基本方向和质量规格。激励性原则，即班主任针对本班的现状，着眼于学生的最近发展区，选择一些经过努力能够达成的目标，引导学生爬"坡"，使全体学生在实现目标的过程中，都能分享到成功的快乐。可测性原则，即班级目标必须是可量化、可操作、可评估的。

[单选题] A decade ago, the idea that the planet was warming up as a result of human activity was largely theoretical. We knew that since the Industrial Revolution began in the 18th century, factories and power plants and automobiles and farms have been loading the atmosphere with heat-trapping gases, including carbon dioxide and methane (甲烷). But evidence that the climate was actually getting hotter was still murky. Not anymore. As an.authoritative report issued a few weeks ago by the United Nations-sponsored Intergovemmental Panel on Climate Change makes plain, the trend toward a warmer world has unquestionably begun. Worldwide temperatures have climbed more than 0.5℃ over the past century, and the 1990s were the hottest decade on record. After analyzing data going back at least two decades on everything from air and ocean temperatures to the spread and retreat of wildlife, the IPCC asserts that this slow but steady warming has had an impact on no fewer than 420 physical processes and animals and plant species in all countries. Glaciers, including the legendary snows of Kilimanjaro, are disappearing from mountaintops around the globe. Coral reefs are dying off as the seas get too warm for comfort. Drought is the norm in parts of Asian and Africa. El Nino (厄尔尼诺) events, which trigger devastating weather in the eastern Pacific, are more frequent. The Arctic permafrost (永久冻土带) is starting to melt. Lakes and rivers in colder climates are freezing later and thawing earlier each year. Plants and animals are shifting their ranges pole-ward and to higher altitudes, and migration patterns for animals as diverse as polar bears, butterflies and beluga whales are being disrupted.

What is the best title for the Passage?

Life in the Greenhouse

解析：1.细节题。本题的定位在“A decade ago，the idea that the planet was warming up as a result of human activity was largely theoretical""but evidence that the climate was actually getting hotter was still murky…not anymore”即十年前，这种观点只是理论上的，证据是模糊的，而现在再不是了。故选D。 2.细节题。由文中“the trend toward a warmer world has unquestionably begun”，可见该机构的人员认为这种变暖毫无疑问已经开始了。A、B不符合文意，D没有提及。故选C正确。 3.细节题。定位为“worldwide temperatures have climbed more than 0.5℃ over the past century，and the 1990s were the hottest decade on record”，即在过去的一世纪中，世界气温上涨了0.5℃，而20世纪90年代是史上最热的十年。A项错误，C和D项没有提及。 4.细节题。关于亚洲和非洲的描述出现在文章的最后一段。其中提到了干旱，永久冻土带正在消融，河水和湖水的冰冻时间推后，日渐消融，植物和动物都不断向高海拔移动，动物的迁徙被打乱等等。B、C、D都没有提及，故选A，动物正向别处搬家正确。 5.主旨题。文章主要是介绍全球变暖对于地球上生物生活的影响，并没有介绍变暖的原因和责备人类造成了气候变暖，故B和C错误。D项过于偏颇。故选A。

[单选题]She won't be available between 6 and 8,for she_______an important meeting.

will be having

解析：本题考查时态。句意为“6点到8点这段时间她不在，因为那时她正参加一个重要的会议”。由won，t可判断前半句是一般将来时；后半句解释原因，表示在6点到8点那个时间段正在发生的事情，所以用将来进行时。故本题选D。