We can’t live without food. Today our knowledge of food and what it does for our bodies is far more advanced than____1_____of the old times. Now we know____2___vitamins and how each kind of vitamins__3_____in the growth of a special part of our body._____4____ on the market all kinds of vitamins which we can take to______5____our lack of certain important things which are needed for good health.____6____ if we eat well and properly, the food that we eat will ___7____ our bodies and so there is no____8_____to take any kind of vitamins ____9____ our doctors tell us that our bodies are_____10____of something which can be supplied by it. Generally speaking, everything we eat ____11____ some good to our bodies, but if we eat ____12____ of one kind of food and pay______13____attention to others, we may have too much of one kind and not____14____ of others. Then we may be ____15___ trouble. We are often told___16_____ we must eat some meat every day in order to get the necessary proteins. That is only____17____true, for proteins are not found only in meat. We can also get them___18____some vegetables. The best advice about ____19___ to eat is that we should eat all kinds of food____20__ never too much of one kind.
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| 【小题15】 |
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| 【小题16】 |
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| 【小题18】 |
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| 【小题19】 |
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| 【小题20】 |
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【小题1】C
【小题2】B
【小题3】C
【小题4】B
【小题5】D
【小题6】A
【小题7】B
【小题8】C
【小题9】C
【小题10】A
【小题11】D
【小题12】A
【小题13】A
【小题14】D
【小题15】C
【小题16】B
【小题17】B
【小题18】A
【小题19】A
【小题20】D
解析试题分析：本文介绍了人们吃的食物中含有各种维生素，文中提醒我们吃食物要多样化，不能一种食物吃的太多，而其他的却吃的太少，这样会给自己的身体带来伤害。
【小题1】考查代词。因为that可以代替可数名词的单数，也可代替不可数名词，这里用that 代替knowledge故选C。
【小题2】考查动词短语及上下文的呼应。know意为“知道；认识；明白”，为及物动词，通常指直接知道或了解某人（某物）。如：
She knows what to do．她明白该做什么。
We have known each other since young．我们从小就认识。
know about意为“了解；知道……的情况”，通常指间接了解某人或某物。如：
Many students want to know about the differences between American English and British English．许多学生想知道美国式英语和英国式英语之间的区别。
know of意为“听说（关于……的事情）；知道”，通常指间接地听说某人或某物。如：
I don't know the writer， but I know of her．我不认识这个作者，但我听说过她。这里我们了解关于维生素的知识，故选B。
【小题3】考查动词及上下文的呼应。help促进 ,我们了解了维生素在我们的身体的成长过程中的起什么样的促进作用，故选C。
【小题4】考查动词及上下文的呼应。在市场上有各种维生素故选B。
【小题5】考查动词短语及上下文的呼应。make up for 弥补；我们吃维生素来弥补我们缺少的重要的东西，故选D。
【小题6】考查短语及上下文的呼应。与上文呼应，当然了，如果我们吃的又好又合适，那么我们所吃的食物将能照顾好我们的身体，故选A。
【小题7】考查动词短语及上下文的呼应。take care of照顾，爱护；look for寻找；pay attention to 注意；attend还可表示“伴随”,含“照顾”“陪伴”的意思,陪伴者处于从属地位,有时表示一种服务或礼貌、殷勤,有时表示跟在人或事物的后面而行。作“照顾”解时,主要指专职工作性质的照顾。
attend用作及物动词时接简单宾语,可用于被动结构。用于不及物动词时可接介词to表示“致力于”“注意”“照顾”,接介词on表示“照顾”“伴随”。根据句意故选B。
【小题8】考查名词及上下文的呼应。there is noneed to do 没有必要做某事，食物里有我们需要的维生素了，所以我们没有必要再去吃维生素药，故选C。
【小题9】考查连词及上下文的呼应。我们没有必要再去吃维生素药，除非医生告诉我们身体里缺乏维生素，故选C。
【小题10】考查动词短语及上下文的呼应。be short of 缺乏；我们没有必要再去吃维生素药，除非医生告诉我们身体里缺乏维生素，故选A。
【小题11】考查动词短语及上下文的呼应。do good to 对……有益；一般地说，我们吃的东西对我们的身体是有益的，故选D。
【小题12】考查短语及上下文的呼应。如果我们吃了某一种太多的食物，那么对于其他的食物就很少了，故选A。
【小题13】考查短语及上下文的呼应。如果我们吃了某一种太多的食物，那么对于其他的食物就很少了，故选A。
【小题14】考查名词及上下文的呼应。我们也许这种食物摄入太多而另一种则又太少了，故选D。
【小题15】考查短语及上下文的呼应。introuble有麻烦；我们也许这种食物摄入太多而另一种则又太少了，这是可能我们的身体会有麻烦，故选C。
【小题16】考查宾语从句及上下文的呼应。我们被告知我们每天应该吃肉，以便摄入足够的蛋白质，故选B。
【小题17】考查副词及上下文的呼应。根据for proteins are not found only in meat.这种说法不完全对，故选B。
【小题18】考查介词及上下文的呼应。get …from 从……得到；我们也能从蔬菜里得到蛋白质，故选A。
【小题19】考查连词及上下文的呼应。这里缺少eat的宾语，BCD三个选项都不能作宾语，故选A。
【小题20】考查连词及上下文的呼应。我们应该吃各种各样的食物，但是不能吃一种食物太多了，故选D。
考点：这是一篇说明文。
点评：一般情况下完形填空题语篇的第一句话和最后一句话都是完整的。针对这个特点，考生应该重点阅读这一头一尾的两个句子。快速阅读全文，掌握全文的大意和主题。在阅读全文时千万不要急于看文章后每个题目的选项，应该对空格所在的上下文仔细阅读，预测可能出现的答案。?完成全部问题后应该将答案带入文章再通读全文，核查答案是否合适、正确、尽量少出错误。
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1.According to President Obama’s plan，in 10 years， ．
A．there will be no expensive and unnecessary Wars
B．all grade and high school students can go to college
C．the U．S．will catch up with China in career preparation
D．students Call enjoy a l2-year public free education
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A．about 2．5 million students could afford college education
B．about 2 million students could be provided chances of college education[来源:Zxxk.Com]
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D．about 3 million students could graduate from high school
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A．the wars in Iraq and Afghanistan are expensive but necessary
B．the federal Can not provide more money on education
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‘What we’re going to see in the future is new opportunities for people to be plugged in and connected like never before,’ says Scott Campbell. ‘It can be a good thing，but I also see new ways the traditional social fabric (社会结构) is getting somewhat torn apart.’
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1.What can be the best title for the passage?
A. 2010: The year technology developed quickly.
B. 2010: The year technology sped up our life pace.
C. 2010: The year technology replaced talking.
D. 2010: The year technology made communicating easier.
2.According to Paragraph l，Gretchen Baxter thinks_________.
A. the new technology always influences people’s life in a positive way
B. the new technology is so tempting that she could even put her daughter and husband behind
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B. Mobile devices play a less important part in American life.
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D. Many analysts speak highly of the wide popularity of mobile devices.
4.What can be inferred from the last paragraph?
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B. Using mobile services can help people get connection with each other.
C. Mobile services have a strong impact on people’s life.
D. The connection with people can happen naturally.
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