C We all know that certain oils are healthier than others. but your oil health g

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C
We all know that certain oils are healthier than others. but your oil health goes beyond just the type．The health of your oil can be related to how you use it too．
Each type of oil has what is called a“smoke point. ”The smoke point is the specific temperature at which the oil starts to break down, or in more technical terms, its molecular structure begins to change. These molecular changes result in； changes in flavor, as well as W changes in nutritional value，specifically，the nutritional value of the oil starts to reduce；changing what once may have been considered an especially healthy oil，like Olive，into one that is unhealthy．
The higher an oil’s smoke point is，the higher the temperature of the oil can be．As a result, each type of oil should be used for the cooking method that is most appropriate to its individual smoke point and heat tolerance. Here is a quick guide for the next time you reach for your favorite oil．

Heat During Cooking	Oil	Best Use
Low to Moderate	Coconut	Baking (low heat ) Light Sauteing Pressure Cooking Salads
	Corn
	Olive
	Peanut
	Sesame
	Walnut
Medium Heat	Macadamia Nut	Baking Sauteing Stir-Frying
	Safflower
High Heat	Grape-seed	Deep Browning Deep-Frying
	Sunflower
	Soybean/Soy

Note that the above table represents oils that are refined(精炼的)．Most oils we buy are refined．Refined oils tend to have much higher smoke points than when they are unrefined．They also differ in nutrition and flavor．Unrefined oils are more nutritious and they tend to be much richer in flavor．
When it comes to extremely high heat cooking，always choose oils which are refined．
62．What determines whether an oil is healthy or not?
A．Whether it’s refined or not．      B．Its smoke point．
C．Its molecular．                                               D．How you use it．
63．Which of the following might be a better choice to make a healthy salad?
A．Refined walnut oil．                                B．Safflower oil．
C．Unrefined olive oil．                                      D．Sunflower oil．
64．Healthy oil can become unhealthy if． according to the passage．
A．you keep it for too long         B．it is heated well beyond its smoke point
C．it is refined                D．its flavor is changed
65．The author wants to tell readers that               ．
A．oils are related to health
B．oils’ value depends on their smoke points
C．“certain oils are healthier ”is relative
D．oils’ flavor and nutrition are connected

答案

62---65 DCBC

解析

略

举一反三

B
The following symbols have appeared on clothes labels for four decades, each one chosen by international experts for its simplicity and clarity.
Yet for most people, washing instructions might as well be written in Martian.
According to a new poll, nine in ten people are unable to decipher common symbols used on clothes labels. Even those who have mastered the difference between a wool and a synthetics（化学合成物）wash admit being baffled by the confusing array（排列）of boxes, circles and crosses used to give advice about drying and bleaching（漂白）.
The findings come from a poll of 2,000 people carried out by YouGov for Morphy Richards. A third of people surveyed said that they recognized none of the several symbols shown, while the only symbol recognized by more than half of people was the iron with a single dot. Around 70 per cent knew it meant "iron on a low heat". Just 10 per cent sign knew the sign for "do not dry clean", while only 12 per cent were familiar with "drip dry only".
Despite the sexual revolution, women are still more knowledgeable than men. Awareness was highest among 18 to 29-year-old women---for whom taking care of clothes is clearly important.
Chris Lever, from Morphy Richards, said: "Clothes Care symbols are a unique language, clearly a language that few people in the UK have taken the time to learn."
"Learning the basics such as which icon represents tumble dry and which represents normal wash would go a long way to getting the best out of clothes."
The Home Laundering Consultative Council said it was not surprised to learn that people were unfamiliar with them.
"It"s disappointing that there is a lack of recognition, but it"s a story that"s repeated time and time again," said a spokesman, Adam Mansell. "We are a small organization and we don"t have a big budget."

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60. Women know more about these common symbols than men, because _________.
A. women have the gift of recognizing these symbols by nature
B. women pay more attention to taking care of clothes in their daily life
C. women have much time to know about these symbols
D. women take advantage of the sexual revolution
61. Which of the following can be recognized by the majority of people?

A B C D
62. Which of the following statements is NOT correct?
A. Washing clothes is damaging them if we don’t know about some symbols used on clothes labels.
B. Washing clothes is also a cultured knowledge.
C. More and more people devote much time to studying these symbols used on clothes labels.
D. Clothes Care symbols are a unique language, which few people spend time to learn.

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第三部分任务型阅读（满分10分）
Romantic novelists rarely fail to include in their writings that special moment when two strangers look into each other"s eyes across a crowded room and feel the tingle of desire. Now these writings have now been validated（证实）by science, for experts have discovered that eye-to-eye contact in fact leads to a burst of activity in the reward center of the brain.
Neuroscientists at University College London asked eight female and eight male volunteers to look at photos of the faces of 40 different people who were either looking at the camera or gazing to one side.
While the volunteers looked at the pictures, they were given a scan with functional magnetic resonance imaging（磁性共振成影仪器）, which measures increased blood flows to the various parts of the brain and thus provides a "map" of cerebral activity（大脑活动）.
The volunteers were then asked to rate the attractiveness of each face, and their score was matched against the scan.
The result: when volunteer had direct eye contact with the face, there was an increase of activity in the ventral striatum（腹面纹状体）, a central part of the brain that anticipates reward or pleasure. But if the eyes did not meet, there was no activity in that brain area at all. The activity increase occurred regardless of the gender of the face in direct eye contact.
However, there was a bigger-than-usual increase if the person giving the eye was found to be attractive. Activity in the ventral striatum surged. But if the cute person gazed to one side, the ventral striatum remained dormant, apparently disappointed that the stranger was clearly not interested.
Interestingly, the ventral striatum also perked up if a plug-ugly person gazed to one side, rather than looked at the volunteer right in the eyes.

Origin of the experiment	Romantic novelists like to describe in their writings that two strangers look into each other"s eyes across a crowded room and feel the tingle of desire in a special ____71____.
__72__ of the experiment	Investigate whether eye-to-eye contact ____73____ a burst of activity in the reward center of the brain.
Procedure of the experiment	◆Ask ____74____ volunteers（8 female and 8 male）to look at photos of the faces of 40 different people who were either looking at the camera or gazing to one side. ◆____75____ blood flows to the various parts of the volunteers’ brain and thus provides a "map" of cerebral activity. ◆Ask the volunteers to rate the attractiveness of all ____76____, ◆____77____ their score against the scan.
____78____ of the experiment	◆As long as the eyes meet ____79____, there must be activities in the brain area. On the other hand, there is no activity at all. ◆The activity of the brain is also ___80_____ with the people’s appearance closely.

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C
Sometimes we cry because we are sad and sometimes because we are extremely happy．An irritant(刺激物)，such as onion(洋葱) smell or grains of sand in the eye，can also make cry．In this case tears perform an obvious role in getting rid of substances that might harm the surface of the eye．
Dr．William Frey of the Dry Eye and Tear Research Center at St．Paul in Minnesota，USA，believes that tears from emotional causes may perform a similar role．He thinks that crying could get rid of emotional stress by washing away a chemical in the blood caused by strong emotions. To prove his theory, he hopes first to identify this chemical and then see if it is found in tears of sadness or happiness．
So far, Dr．Frey has failed to find out the difference between emotional tears and tears caused by an irritant in the eye．This may be because these substances themselves cause a degree of stress and emotion．What he has identified in all tears is a variety of biochemicals(生化物)which are one of the causes of stress．A more detailed study may help us understand why sufferers from stress-related disorders cry less often than healthy people．Dr．Frey is also very interested to see if there are any physiological(生理学的)explanations for why women，in general，cry five times more often than men，on average．
64. The main purpose of Dr．Frey’s study of tears is to
A. show that there are two types of tears，caused by irritants and by emotions
B. find out the cause of stress-related problems and emotional disorders
C. explain why women cry more often than men
D. prove that tears can remove a chemical in the blood caused by strong emotions
65. Which of the following is true according to the passage?
A. Tears fail to help get rid of emotional stress．
B. Irritants in the eye result in tears without causing stress and emotion．
C. Healthy people cry more often than those with stress-related problems．
D. The biochemical identified by Dr．Frey has nothing to do with stress．
66. We can learn from the passage that __________．
A. crying does us more harm than good
B. inner feelings don’t affect our bodies
C. sorrow may cause some chemicals in our blood
D. emotional tears are different from tears caused by irritants in the eye
67. Dr．Frey believes that tears from emotional causes may play a role in getting rid of ______．
A. emotional stress by washing away a chemical in the blood
B. onion smell or grains of sand
C. sufferings from irritants
D. substances that might not harm the surface of the eye

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E
Be careful what you say around your dog. It might understand more than you think.
A border collie named Rico recognizes the names of about 200 objects, say researchers in Germany. The dog also appears to be able to learn new words as easily as a 3-year-old child. Its word-learning skills are as good as those of a parrot or chimpanzee(黑猩猩).
In one experiment, the researchers took all 200 items that Rico is supposed to know and divided them into 20 groups of 10 objects. Then the owner told the dog to go and fetch one of the items and bring it back. In four tests, Rico got 37 out of 40 commands right. As the dog couldn"t see anyone to get clues, the scientists believe Rico must understand the meanings of certain words.
In another experiment, the scientists took one toy that Rico had never seen before and put it in a room with seven toys whose names the dog already knew. The owner then told Rico to fetch the object, using a word the dog had never heard before.
The correct object was chosen in seven out of l0 tests, suggesting that the dog had worked out the answer by process of elimination(排除法). A month later, Rico remembered half of the new names, which is even more impressive.
Rico is thought to be smarter than the average dog. For one thing, Rico is a border collie, a breed (品种)known for its mental abilities. In addition, the 9-year-old dog has been trained to fetch toys by their names since the age of nine months.
It"s hard to know if all dogs understand at least some of the words we say. Even if they do, they can"t talk back. Still, it wouldn"t hurt to sweet-talk your dog every now and then. You might just get a big, wet kiss in return!
72. From paragraph 2 we know that _______.
A. animals are as clever as human beings
B. dogs are smarter than parrots and chimpanzees
C. chimpanzees have good word-learning skills
D. dogs have similar learning abilities as 3-year-old children
73. Both experiments show that_________.
A. Rico is smart enough to get all commands right
B. Rico can recognize different things including toys
C. Rico has developed the ability of learning mathematics
D. Rico won"t forget the names of objects once recognizing them
74. Which of the following statements is true?
A. The purpose of the experiments is to show the border collie"s mental abilities.
B. Rico has a better memory partly because of its proper early training.
C. The border collie is world-famous for recognizing objects.
D. Rico is born to understand its owner"s commands.
75. What does the writer want to tell us in the last paragraph?
A. To train your dog.          B. To talk to your dog.
C. To be friendly to your dog.   D. To be careful with your dog.

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D
An altimeter(高度计) is an instrument used in an airplane to tell the pilot how high he is flying. The altimeter used in most airplanes is a kind of barometer(气压计), which, like barometer found in ordinary homes, is a measuring instrument for air pressure. The weight of the atmosphere presses downwards everywhere. At sea level this pressure is more than 14 pounds on every square inch of the surface. The higher you go into the air, the lower the air pressure is. An altimeter measures this air pressure to show the altitude of the airplane, or, how high it is above sea level.
But the altimeter does not show how high the plane is above the ground. A plane might be flying at an altitude of 15,000 feet, but it would be only a thousand feet or so above the ground if the land in that area happened to be 14,000 feet above sea level. The pilot adjusts his altimeter to the actual sea-level pressure before leaving the airport and then corrects it in flight by new information given to him by radio. He flies high enough to be above any mountain he may pass on his course .The barometer altimeter is correct within about 300 feet.
Another kind of altimeter, the radio altimeter, makes use of radio reflection. It calculates the height of the flying plane by sending out electrical signals to the surface below and measuring the time required for them to bounce back(反弹). It is correct within 15 feet over water, but is not reliable over land. Big planes usually have both kinds of altimeter.
67. Which of the following diagrams gives the correct relationship between altimeters and barometers? (a----altimeters, b----barometers)

68. The following drawing shows a plane flying over a mountain. Which of the heights given in the drawing is given by the barometer altimeter in the plane at this moment?

69. Suppose a plane using a radio altimeter is flying 10,000 meters above highland which is 4,000 meters above sea level. What reading will be given by the altimeter?
A.10,000meters. B. 4,000meters. C.14,000meters. D. 6,000 meters.
70. Suppose a plane using both kinds of altimeters is flying over a mountainous area where the land rises and falls very abruptly (迅速地). The pilot keeps his plane steady at the same height. What kind of reading will you get on each of the altimeters?
A. The readings on both altimeters will remain steady.
B. The readings on both altimeters will rise and fall abruptly.
C. The readings on the barometer altimeter will rise and fall abruptly, while that on the radio altimeter will remain steady.
D. The readings on the radio altimeter will rise and fall abruptly, while that on the barometer altimeter will remain steady.

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