12．科学家发现妇女的嗅觉比男人的嗅觉发展得好些．According to scientists.women's sense of smell isbetterdevelopedthanthat of——青夏教育精英家教网——

12．科学家发现妇女的嗅觉比男人的嗅觉发展得好些．
According to scientists，women's sense of smell isbetterdevelopedthanthat of men．

11．由于大雾，我们开会迟到了．
We were late for the meetingasaresultof the thick fog．

10．The football match wasinterrupted（中断）several times by rain．

9．Each color on the maprepresents（代表）a different part of the world．

8．You do not need every word to understand the meaning of what you read．In fact，too much focus on individual words both slows your speed and reduces your comprehension．You will be given the chance to prove this to yourself，but meanwhile，let us look at the implications．
First，any habit，which slows down your silent reading to the speed at which you speak，or read aloud，is inefficient （无效的）．If you point to each word as you read，or move your head，or form the word with your lips，you read poorly．Less obvious habits also hold back reading efficiency．One is"saying"each word silently by moving your tongue or throat or vocal cords（声带），and another is"hearing"each word you read．
These are habits which should have been outgrown long ago．The beginning reader is learning how letters can make words，how written words are pronounced，and how sentences are put together．Your reading purpose is quite different； it is to understand meaning．
It has been assumed that up to 75% of the words in English sentences are not really necessary for passing on the meaning．The secret of silent reading is to seek out those key words and phrases which carry the thought，and to pay less attention to words which exist only for the sake of grammatical completeness．
An efficient reader can grasp the meaning from a page at least twice as fast as he can read the page loud．Without realizing it himself perhaps，he takes in whole phrase or thought unit at a time．If he"says"or"hears"word to himself，they are selected ones，said for emphasis （重点）．

61．This passage is mainly aboutC．
A．improving eye movementsB．reading more widely
C．removing poor reading habits D．concentrating while reading
62．Saying each word to yourself as you readD．
A．improves comprehension B．increases reading speed
C．prevents returning D．reduces reading efficiency
63．Your reading purpose should beC．
A．to understand all wordsB．to make fewer eye movements
C．to understand the meaningD．to understand the grammatical structures
64．It has been assumed that up to 75% of words in English sentences areC．
A．grammatically unnecessary
B．important and necessary to the meaning
C．not absolutely necessary to grasp the meaning
D．entirely meaningless
65．Efficient readers usuallyB．
A．move their heads quicklyB．take in whole phrases at a time
C．point at key wordsD．miss some important points for readers．

7．Detective Sam Peterson says that there's really no hard evidence _____ aliens took Justin．（　　）

6．It is found that women's sense of smell is better developed than _____ of men．（　　）

5．The food we eat seems to have profound effects on our health．Although science has made big steps in making food more fit to eat，it has，at the same time，made many foods unfit to eat．Some research has shown that 80percent of all human illness are connected with diet and 40percent of cancer is connected with the diet as well that food is connected with illness is not a new discovery．In the 1940s scientists realized that nitrates（硝酸盐），which are often used to keep color of meat，and other additives（添加剂）caused cancer．However these additives remain in our food and it becomes more difficult to know which additives are helpful or harmful．Farmers sometimes give drugs to animals not because the animals are ill but because they want to sell the animals at higher prices．For example farmers try hard to make animals grow big so that they can sell the big animals for more money．Although the Food and Drug Administration has tried again and again to control farmers to do so，farmers go on doing this．
66．According to the passage，what has science done to mankind？C
A．Because of science there is no polluted food any more．
B．Science makes food have less value．
C．As a result of scientific invention，some things that may be harmful have been added to our food．
D．Now the scientists can keep the color of meat but not that of vegetable．
67．What are nitrates used for？B
A．They keep flavor of food．
B．They keep the color of meat．
C．They keep food fresh．
D．They make animals fatter．
68．According to the passage，which of the following statements is true？A
A．Some additives besides nitrates can cause cancer．
B．All additives cause illness．
C．All additives can cause cancer．
D．Nitrates except other additives can cause cancer．
69．The word"profound"underlined means．D
A．good B．bad C．much D．great
70．Which of the following statements is NOT true？A
A．Drugs are always given to animals for medical reasons．
B．Some additives in our food are added not only to the food but also to the animal．
C．Scientists knew that some additives are harmful to people over fifty years ago．
D．Food may cause 40percent of cancer in the world．

4．他们一般是通过孵蛋而繁衍后代的．
They produced young generally bylayingeggs．

3．为使她高兴起来，他带她去听音乐会．
He took her to the concert tocheer herup．

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