分析 本文属于说明文阅读,作者通过这篇文章主要向我们讲述的是一种新型的可以控制汽车速度的方式,为了控制车速,减少交通事故,美国决定在公路上画人字形标志,它可以让司机觉得车速过快,从而达到控制车速的目的,然而,当司机习惯于看到画杆时,行驶速度常在数月内返回到全速.
解答 51.A.主旨大意题,通读全文,我们可以知道,在高速公路上画各种线是为了让司机觉得车速过快,从而达到控制车速的目的,文章讲述的是一种新型的可以控制公路速度的方式;故选A.
52.C.细节理解题,根据文章第二段painted on the roads make drivers think that they are driving fasterthan they really are,画上的道路让司机觉得他们驾驶他们真的更快,因此司机慢下来,可知司机会减速;故选C.
53.D.细节理解题,根据文章最后一段The result is a longer lasting reduction of highway speed and thenumber of traffic accidents可知,人字形线比直线、平等线对控制车速有更长久的影响;故选D.
54.A.推理判断题,根据文章第三段Now the American Automobile Association Foundations For TrafficSafety in Washington D.C.is planning to repeat Japan's success,现在在华盛顿特区的美国汽车协会为了交通安全正在计划效仿日本的成功的例子,可知美国要学习日本的方式;故选A.
55.C.推理判断题.根据文章倒数第二段"However,traffic often returns to full speed within months as drivers become used to seeing the painted bars."然而,当司机习惯于看到画杆时行驶速度常在数月内返回到全速;故选C.
点评 考察学生的细节理解和推理判断能力,做细节理解题时一定要找到文章中的原句,和题干进行比较,再做出正确的选择.在做推理判断题不要以个人的主观想象代替文章的事实,要根据文章事实进行合乎逻辑的推理判断.
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The chances are that you’ve walked past a QR Code(二维码) or come into contact with one recently, possibly without noticing. Even if you haven’t seen one before, here are some examples for you.
But what exactly are QR Codes? Very simply, they are bar-codes, not too dissimilar to the bar-codes you saw on the package of almost every product you bought. QR Codes are combined with multiple rows and columns(列), which allows QR Code to stone its data.
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But can a picture or music be stored in a QR Code? Images and sounds consume much more data than text and a QR Code is limited to storing 3kb of data. The size of an image will need to be made so small to be stored that it will be impractical to do so. So it is with songs. In fact if you have a need to present the user with an image or kick off a music stream when they scan your QR Code, why not look to host it somewhere and then have your QR code simply linked to the content?
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