题目内容
9.根据短文内容,从短文后的选项中选出能填入空白处的最佳选项.选项中有两项为多余选项.Your brain controls everything you do.It makes it possible for you to think,learn,create and feel; to blink(眨眼) and breathe and for your heart to beat-this fantastic control center is your brain.(36)D
Can this small grey organ(器官),which weighs less than one and a half kilos,really do so much?Amazingly,your brain contains about 100billion neurons(神经元)-it would take you over 3,000years to count them all.(37)C Your neurons create and send more messages than all the phones in the world.And although one neuron creates only a little electricity,all your neurons together can produce enough electricity to power a light bulb(灯泡).
So exactly how fast does your brain work?(38)A Neurons in your skin send this information to your brain at a speed of more than 240kilometers per hour.Your brain then uses other neurons to send the message back to your foot to shake the bee off quickly.(39)F No computer has your brain's unbelievable ability to deal with the amount of information coming from your eyes,ears and other sensory organs.
But how does your brain allow you to learn things that you will use in the future?The structure(结构) of your brain changes every time you have a new thought,remember or learn something.(40)G How?As you practice,your brain sends"bike riding"messages again and again.Soon,the actions are learnt and you are able to ride a bike easily from then on.
A.Well,imagine this:a bee lands on your foot.
B.Therefore,it is not surprising to see that somebody with average intelligence (智力) can have excellent performances in some fields.
C.Believe it or not,the activity in your brain never stops.
D.It is so amazing that a famous scientist once called it"the most complex (复杂) thing we have yet discovered in our universe".
E.The brain is the boss of the body.
F.These neurons can send this information at more than 320kilometers per hour.
G.For example,riding a bike seems impossible at first,but soon you are able to do it.
分析 本文是一篇教育文化类短文.主要介绍了我们的大脑控制一切,它会让我们思考,学习,创造,感觉,眨眼,呼吸,心跳,科学家把它称为"宇宙中最复杂的东西".大脑中有1000多亿个神经元,神经元产生信息,并把信息传送到大脑.比如:有只蜜蜂落在你的脚上,神经元就会把这个信息传到大脑,大脑就会传给你的脚一个信息,把蜜蜂抖掉.其速度比电脑快多了,当你有一个新的思想或者记忆、学习的时候,大脑的结构就会改变.
解答 36.D.推理判断题.根据前文 to blink(眨眼) and breathe and for your heart to beat-this fantastic control center is your brain可知它是如此惊人,一位著名的科学家曾称之为"最复杂的(复杂)的东西我们还没有发现在我们的宇宙;故选D.
37.C.推理判断题.根据后文Your neurons create and send more messages than all the phones in the world可知无论你相信与否,你大脑中的活动从未停止;故选C.
38.A.推理判断题.根据后文Neurons in your skin send this information to your brain at a speed of more than 240kilometers per hour可知你可以通过想象一下:一只蜜蜂降落在你的脚上知道你大脑的速度;故选A.
39.F.推理判断题.根据前文Neurons in your skin send this information to your brain at a speed of more than 240kilometers per hour可知神经元可以超过320千米每小时发送此信息;故选F.
40.G.推理判断题.根据后文How?As you practice,your brain sends"bike riding"messages again and again可知正如骑自行车,一开始骑自行车似乎是不可能的,但很快你就能做到;故选G.
点评 七选五阅读是完成性阅读,和完形填空很类似,不同的是一个选词,一个选句子.解题时,要注意上下文语境,充分考虑信息词(选项中和空格前后句子中相同或相近的词),选出最符合语境的句子.
A. | On the other hand | B. | On the whole | ||
C. | On the contrary | D. | At the other hand |
communication conscious aggressive involved slightly resource convenient provide respect display |
12.After he drank some wine,Tom wasslightly(稍微地)
13.It is notconvenient(方便的) for me to come now,I am busy.
14.Television has many advantages.Foe example,it canprovide(提供) us with entertainment at home.
15.Communication(沟通) with other countries was difficult in ancient times.
16.Usually,women are gentle and not asaggressive(挑衅的) as men.
17.Oil is Kuwait's most important naturalresource(资源)
18.I wish everyone wouldrespect(尊敬)each other
19.Department storesdisplay(展示) their goods in the windows.
20.More than 30 software firms wereinvolved(参与) in the project.
-Well,you ________ one question here.( )
A. | missed | B. | miss | C. | will miss | D. | are missing |