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1、I was just _____ by the airlines that my flight has been rescheduled.
A、asked
B、expected
C、informed
D、tell
答案：informed
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2、半导体中产生激子吸收后，激子会停留在产生部位，不能在整个晶体中运动
答案：错误
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3、Dust has a very important part to play in the work of nature.
答案：Today, information technology has penetrated almost every aspect of society. [1]Personal computers, cell phones, fax machines, pagers, emails and the internet have all become an integral part of our very culture. Some people may think that information technology is too overpowering and brings a lot of shadows to modem society. [2]However, I believe that information technology brings more "sunshine" to our life and its advantages are self-evident as follows. [3]In the first place, it has brought about globalization. IT has not only brought the world closer together, but it has allowed the world’s economy to become a single inter- dependent system. [4]This means that we can not only share information quickly and efficiently, but also bring down barriers of linguistic and geographic boundaries. [5] The world has developed into a global village due to the help of information technology, allowing countries like Chile and Japan who are not only separated .by distance but also by language to share ideas and information with each other. [6]In the next place, communication has become cheaper, quicker, and more efficient with the help of information technology. [7]We axe able to communicate with anyone around the globe by simply text-messaging them or sending them an email for an almost instantaneous response. [8]The internet has also opened up face-to-face direct communication from different parts of the world thanks to video conferencing system. [9]Besides, information technology is also conducive to bridge the cultural gap. [10]It helps people from different cultures to communicate easily with one an- other, and allows efficient exchanges of views and ideas, thus increasing people’s cultural awareness and reducing their prejudice towards each other. Last but not least, IT has made it possible for businesses to be open 24×7 all over the globe. This means that a business can be open anytime anywhere, making purchases from different countries easier and more convenient. It also means a more convenient life for common people. [11] For example, one can have his / her goods delivered right to his / her doorstep without having to move a single muscle. To sum up, IT has provides us with lots of convenience. [12]By listing them, I don’t intend in the least to say that there are no defects attached to information technology. Like all the other things in the world, information technology is not perfect either. [13]It is a double-edged sword and how well it can serve human being depends on what we use it for and how we apply it. Analysis [1] 列举信息技术在生活中的具体应用。an integral part意为“不可缺少的组成部分”。 very这里起强调作用。 [2] However表转折，引出跟前面相反的观点，衔接自然。sunshine与前面的shadows相对，使文章生动。 [3] bring...together是语言亮点，意为“将……连接”。注意段与段之间的衔接词：In the first place，In the next place，Last but not least及To sum up。 [4] bring down是语言亮点，意为“打倒，降低”。 [5] 典型的长句，due to引出原因状语，allowing (...to share...)引出现代分词短语作结果状语，其中还镶嵌了一个who引导的定语从句。 [7] text-messaging意为“发短信”；instantaneous response是语言亮点，意为“即时回应”。 [8] thanks to为引出原因的常用短语。video conferencing system意为“可视会议系统”。 [9] Besides是开始陈述另外一个方面的典型用词。be conducive to意为“有益于”。 [10] 典型的(并列)长句，其主要结构是：“It helps...and allows...，thus increasing and reducing...”。thus引出由两个并列的现在分词increasing and reducing构成的结果状语从句。cultural awareness意为“文化意识”。 [11] without having to move a single muscle为语言亮点，意为“不用动一动”，有夸张、强调的意味。 [12] not...in the least是语言亮点，意为“决不，一点也不”。 [13] 这是一个由and引导的并列句，其中后一分句是由一个主语从句和两个宾语从句组成的，句式紧凑，值得借鉴。double-edged sword是语言亮点，意为“双刃剑”。 [写作指南] 这篇议论文要求考生对有关信息技术的利弊的问题提出自己的看法。根据题目要求，文章的结构安排如下： 第一部分(第一段)描述信息技术在生活中的广泛应用，指出有人认为信息技术有害，随之对应地表明观点：信息技术给社会带来更多的益处。 第二部分具体阐述信息技术给现代社会带来的好处： 1．信息技术促进全球化发展，其表现在于…… 2．信息技术使得通讯更为廉价、迅捷，并有利于消除文化隔阂。原因是…… 3．信息技术促进了全球商业的发展，使人们的生活更为便利，具体说来…… 第三部分(最后一段)指明信息技术给生活带来了诸多便利，但是它的弊端也当然不容忽视，信息技术是双刃剑，关键在于人们如何应用它。
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4、强电场情况下，载流子温度()与晶格温度()的关系为（）。
A、
B、
C、
D、
答案：http://edu-image.nosdn.127.net/_PhotoUploadUtils_c789e45c-2682-44b8-b7f5-b24b01755cc0.png
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5、南京是首批国家历史文化名城，有“六朝古都”、“十朝都会”之称。
答案：对
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6、半导体的导电能力介于导体和（）之间？
A：正确
B：错误
答案：A
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7、实际处于反偏状态下的pn结，其载流子的产生率与复合率之间的关系为（）
A、产生率等于复合率
B、产生率小于复合率
C、产生率大于复合率
D、存在净复合率
答案：产生率大于复合率
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8、关于背景图层的特性，以下描述正确的是？（ ）
A、背景图层是透明的图层。
B、背景图层是一种特殊的图层，它是不透明的图层，且其底色是可以由用户自己设置的。
C、背景图层是一种特殊的图层，它是不透明的图层，其底色是白色的。
D、背景图层是一种特殊的图层，它是不透明的图层，其底色由“设置前景色”的按钮决定。
答案：背景图层是一种特殊的图层，它是不透明的图层，且其底色是可以由用户自己设置的。
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9、为了减少固定电荷密度和快界面态的影响，制作MOS器件通常选择硅单晶的方向为（）
A、[110]
B、[100]
C、[111]
D、[101]
答案：[100]
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10、试计算质量为1×10^(-30) kg, 速度为1×10^6 m/s的微观粒子的德布罗意物质波波长？
A、6.62 m
B、6.62×10^（-9） m
C、6.62×10^9 m
D、1×10^（-9） m
答案：6.62×10^（-9） m
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11、半导体表面态密度很高时，可以屏蔽金属接触的作用，使半导体内的势垒高度和金属功函数几乎无关
答案：正确
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12、【单选题】以下说法是否正确:单维度解读注重目标与语言实践结合。( )
A、正确
B、错误
答案：正确
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13、电子占据杂质能级不可能发生的的情况是（）。
A、2个电子同时占据1个杂质能级
B、1个自旋向上的电子占据1个杂质能级
C、1个自旋向下的电子占据1个杂质能级
D、杂质能级空着
答案：2个电子同时占据1个杂质能级
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14、室温时，下列半导体禁带宽度的大小顺序排列正确的是？
A、砷化镓>硅>锗
B、砷化镓>锗>硅
C、锗>砷化镓>硅
D、硅>锗>砷化镓
答案：砷化镓>硅>锗
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15、natural gas 汉译
A、天然气
B、煤气
C、液化气
D、沼气
答案：天然气
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