Much meaning can be conveyed with our eyes, so it is often said that eyes can speak.

Do you have such kind of 　36 ? In a bus you may look at a 　37 , but not too long. And if he is 　38 that he is being stared at, he may feel 　39 .

The same is true in 　40 life. If you are looked at for more than 　41 ,you will look at yourself up and down, to see if there is 42 wrong with you. If nothing goes wrong, you will feel angry toward other’s 　43 at you that way.

Looking too long at someone may seem to be rude and 　44 . But things are different when it 45 to stare at the opposite sex. If a man glances at a woman for more than ten seconds and 　46 to avert (移开) his gaze, his intentions are 　47 , that is , he wishes to attract her attention, to make her understand that he is 　48　 her.

49 , the normal eye contact for two people 　50　 in a conversation is that the speaker will only look at the listener 　51 , in order to make sure that the listener does pay attention to what the former is speaking about, to tell him that he is attentive. If a speaker looks at you continuously when speaking, 　52 he tries to dominate(控制) you, you will feel embarrassing.

In fact, continuous eye contact is confined to 　53 only, who will enjoy looking at each other tenderly for a long time, to show affection that 　54 cannot express.

Evidently, eye contact should be done according to relationship between two people and the specific 　55 .

36. A. experience　 B. thought　　　　　　 C. feeling　 　　　　　　 D. attitude

37. A. conductor　 　　　　　　 B. driver　　　　　 C. tourist　 　　　　　　 D. stranger

38. A. looking 　　　　　　 B. sensing　　　　 C. telling　　　　　 D. deciding

39. A. interested　　 　　　　　　 B. stupid　　　　　 C. uncomfortable　　　　 D. angry

40. A. social　　　　　 B daily　　　　 　　　　　　　 C. family 　　　　　　 D. school

41. A. friendly　　　 B. reliable　　　　　　 C. special　 　　　　　　 D. necessary

42. A. anything　　　　　　 B. somewhere 　　　　　　　 C. nothing　　　 D. anywhere

43. A. interest　　　 B. stare　　　　　　　　 C. appreciation D. notice

44. A. attentive　　　 　　　　　　 B. positive　　　　 C. aggressive　　 　　　　　　 D. active

45. A. comes　　　　 B. hopes 　　　　　　　 C. tries　　　　　 D. seems

46. A. starts　　　　　 B. refuses　　　 　　　　　　　C. manages　　　　　 D. aims

47. A. dirty　　　　　 B. unhealthy　　　　　 C. obvious　　　　 D. unfair

48. A. admiring　　　　　　 B. enjoying　　　　　 C. cheating　　　　 D. selecting

49 A. Therefore　　　　　　 B. Otherwise　　　　 C. Altogether　　　　　　 D. However

50. A. engaged　　　　　　 B. attracted　　 　　　　　　　C. trapped　　 　　　　　　 D. invited

51. A. all the time　 B. from time to time 　　　　 C. all the way　 　 　　　　　D. back and forth

52. A. in case　　　　 B. as if　　　　　　　　 C. even though　　　　 D. so that

53. A. mothers　　　　　　 B. children　　　　　　 C. lovers　　　　　 D. teachers

54. A. looks　　　　　 B. eyes　　　　　　　　 C. smiles　　 　　　　　　　 D. words

55. A. situation B. circumstance　　 C. environment　　　　　　 D. condition

In the atmosphere, carbon dioxide acts rather like a one-way mirror or the glass in the roof of a greenhouse which allows the sun's rays to enter but prevents the heat from escaping.

　　 According to a weather expert' s prediction, the atmosphere will be 3℃ warmer in the year 2050 than it is today, if man continues to burn fuels at the present rate. If this warming up took place, the ice caps in the poles would begin to melt, thus raising sea level several metres and severely flooding coastal cities. Also, the increase in atmospheric temperature would lead to great changes in the climate of the northern hemisphere (北半球), possibly resulting in an alteration of the earth's chief food growing zones.

　　  In the past, concern about a man-made warming of the earth has concentrated on the Arctic because the Antarctic is much colder and has a much thicker ice sheet. But the weather experts are now paying more attention to West Antarctic, which may be affected by only a few degrees of warming, in other words, by a warming on the scale that will possibly take place in the next fifty years from the burning of fuels.

　　  Satellite pictures show that large areas of Antarctic ice are already disappearing. The evidence available suggests that a warming has taken place. This fits the theory that carbon dioxide warms the earth.

　　  However, most of the fuel is burnt in the northern hemisphere, where temperatures seem to be falling. Scientists conclude , therefore, that up to now natural influences on the weather have gone beyond those caused by man. The question is: Which natural cause has most effect on the weather?

　　  One possibility is the variable behavior of the sun. Astronomers at one research station have studied the hot spots and "cold" spots (that is, the relatively less hot spots) on the sun. As the sun rotates (使旋转), every 27. 5 days, it presents hotter or "colder" faces to the earth, and different aspects to different parts of the earth. This seems to have a considerable effect on the distribution of the earth's atmospheric pressure, and consequently on wind circulation. The sun is also changeable over a long term: its heat output goes up and down in cycles, the latest trend being downward.

　　  Scientists are now finding shared relations between models of solar weather interactions and the actual climate over many thousands of years, including the last Ice Age. The problem is that the models are predicting that the world should be entering a new Ice Age and it is not. One way of solving this theoretical difficulty is to assume a delay of thousands of years while the solar effects overcome the inertia (惯性) of the earth's climate. If this is right, the warming effect of carbon dioxide might thus be serving as a useful opposed balance to the sun's fading heat .

It can be concluded that a concentration of carbon dioxide in the atmosphere would_________.

   A. mean a warming-up in the Antarctic

   B. raise the temperature of the earth' s surface

C. prevent the sun's rays from reaching the earth's surface

D. explain the cause of  great changes in the climate in the northern hemisphere

The article was written to explain ___________.

A. the greenhouse effect

B. the solar effects on the earth

C. the causes affecting weather

D. the models of solar-weather interactions

Although the fuel consumption is greater in the northern hemisphere, temperatures there　seem to be falling. This is__________.

A. mainly because the levels of carbon dioxide are rising

 B. partly due to changes in the output of solar energy

C. possibly because the ice caps in the poles are melting

D. only due to the effect of the inertia of the earth' s climate

On the basis of their models, scientists believe the opinion that__________.

A. the climate of the world should be becoming cooler

B. the new Ice Age will be delayed by the greenhouse effect

C. the man-made warming effect helps to increase the solar effects

D. it will take thousands of years for the inertia of the earth's climate to take effect

If the assumption about the delay of a new Ice age is correct, ____________.

A. ice would soon cover the northern hemisphere

B. the greenhouse effect could work in favor of the earth

C. the best way to overcome the cooling effect would be to burn more fuels

D. the increased levels of carbon dioxide in the atmosphere could warm up the earth even more quickly

In the atmosphere, carbon dioxide acts rather like a one-way mirror or the glass in the roof of a greenhouse which allows the sun's rays to enter but prevents the heat from escaping.

　　 According to a weather expert' s prediction, the atmosphere will be 3℃ warmer in the year 2050 than it is today, if man continues to burn fuels at the present rate. If this warming up took place, the ice caps in the poles would begin to melt, thus raising sea level several metres and severely flooding coastal cities. Also, the increase in atmospheric temperature would lead to great changes in the climate of the northern hemisphere (北半球), possibly resulting in an alteration of the earth's chief food growing zones.

　　  In the past, concern about a man-made warming of the earth has concentrated on the Arctic because the Antarctic is much colder and has a much thicker ice sheet. But the weather experts are now paying more attention to West Antarctic, which may be affected by only a few degrees of warming, in other words, by a warming on the scale that will possibly take place in the next fifty years from the burning of fuels.

　　  Satellite pictures show that large areas of Antarctic ice are already disappearing. The evidence available suggests that a warming has taken place. This fits the theory that carbon dioxide warms the earth.

　　  However, most of the fuel is burnt in the northern hemisphere, where temperatures seem to be falling. Scientists conclude , therefore, that up to now natural influences on the weather have gone beyond those caused by man. The question is: Which natural cause has most effect on the weather?

　　  One possibility is the variable behavior of the sun. Astronomers at one research station have studied the hot spots and "cold" spots (that is, the relatively less hot spots) on the sun. As the sun rotates (使旋转), every 27. 5 days, it presents hotter or "colder" faces to the earth, and different aspects to different parts of the earth. This seems to have a considerable effect on the distribution of the earth's atmospheric pressure, and consequently on wind circulation. The sun is also changeable over a long term: its heat output goes up and down in cycles, the latest trend being downward.

　　  Scientists are now finding shared relations between models of solar weather interactions and the actual climate over many thousands of years, including the last Ice Age. The problem is that the models are predicting that the world should be entering a new Ice Age and it is not. One way of solving this theoretical difficulty is to assume a delay of thousands of years while the solar effects overcome the inertia (惯性) of the earth's climate. If this is right, the warming effect of carbon dioxide might thus be serving as a useful opposed balance to the sun's fading heat .

66. It can be concluded that a concentration of carbon dioxide in the atmosphere would_________.

   A. mean a warming-up in the Antarctic

   B. raise the temperature of the earth' s surface

C. prevent the sun's rays from reaching the earth's surface

D. explain the cause of  great changes in the climate in the northern hemisphere

67.The article was written to explain ___________. 

A. the greenhouse effect

B. the solar effects on the earth

C. the causes affecting weather

D. the models of solar-weather interactions

68. Although the fuel consumption is greater in the northern hemisphere, temperatures there　seem to be falling. This is__________.

 A. mainly because the levels of carbon dioxide are rising

 B. partly due to changes in the output of solar energy

C. possibly because the ice caps in the poles are melting

D. only due to the effect of the inertia of the earth' s climate

69. On the basis of their models, scientists believe the opinion that__________.

A. the climate of the world should be becoming cooler

B. the new Ice Age will be delayed by the greenhouse effect

C. the man-made warming effect helps to increase the solar effects

D. it will take thousands of years for the inertia of the earth's climate to take effect

70. If the assumption about the delay of a new Ice age is correct, ____________.

A. ice would soon cover the northern hemisphere

B. the greenhouse effect could work in favor of the earth

C. the best way to overcome the cooling effect would be to burn more fuels

D. the increased levels of carbon dioxide in the atmosphere could warm up the earth even more quickly

The majority of people____like watching football games.

A. seem　　　　 B. seems　　　　 C. seem to　　　　 D. seems to

 

No news ____ exciting recently, so you have to wait.

A. seem　 B. seems　 C. seem to be D. are