【正文】 be the best title for the passage? A. The Effects That Smoking Has on Health B. New Research on ThirdHand Smoking C. Smokers Have Much Worse Everyday Memory D. AntiSmoking Campaigns Are Active Around the World 46. The underlined words, “kicked the habit”, in the second paragraph can be replaced by “___________”. A. giving up smoking B. smoked at times C. smoked regularly D. hated smoking 47. What was the realworld memory test like? A. It needed young volunteers to plete some tasks. B. It was about making a tour of the university’s campus. C. It needed volunteers to act at the students’ union. D. It involved a tour and a process of recalling some details. 48. We can learn from the passage that ___________. A. America has twice as many smokers as the UK B. the research findings will help antismoking campaigns C. the effects of secondhand smoking on memory have been found by the study D. those who have stopped smoking have as good a memory as nonsmokers C The life expectancy is the length of time that a person is normally likely to live. As it increases nowadays, the average person lives beyond the age of retirement. As a result, the elderly make up an everincreasing percentage of society, which makes it more important to make effort to improve the lives of senior citizens. First of all, one way would be to make sure that the elderly have enough money on which to live. Obviously, when a person stops working, they still require a source of ine to cover their basic needs such as food, acmodation and heating. A clear solution to the problem is for the government to make sure that the state pension(養(yǎng)老金 ) is enough for these needs. Measures should also be taken to overe the health problems the elderly face. The government should also provide access to the best health care available, which may necessitate paying for residential homes where the elderly can have roundtheclock nursing, or, at least, providing medication free of charge to all people over a certain age. If we try to address the problem of social isolation (社交孤立 ), the lives of old people could be improved. If we anize trips for the elderly to munity centers, visits from social workers, their problem of loneliness can be reduced a lot which marks the lives of so many old people living alone and far from their families. The last helpful suggestion is to change the attitude of the munity towards its older members, who are all too often seen as a burden on society. We need to be taught from an early age to respect the views of old people, and appreciate their broader experience of life. This would help society as a whole, and encourage appreciation of the role that old people can still play today. 49. What does underlined word “it” in Paragraph 1 refer to? A. time B. retirement C. life expectancy D. age 50. What factors affected the old people’s life? a. the state pension b. the basic needs c. the attitude of the munity d. the experience of life e. social isolation f. medical care A. b, c, d, e B. a, b, c, d C. a, c, e, f D. c, d, e, f 51. According to the last suggestion, the old people ___________. A. should be respected by all of us B. may be regarded as our heavy burden C. must change their attitude to the munity D. have to gather more life experience D Man has been to the moon. It has been the first step towards future exploration in space. When pared with the distances between Earth and the other plas, the distance between the Moon and Earth is very short indeed. Mars, the nearest pla to Earth is millions of miles away! Traveling to the plas will be man’s next step. Such travels will be more challenging than the trip to the moon and certainly more exciting and dangerous. Recently, two American spaceships, Viking 1 and 2, landed on Mars trying to discover whether that pla has any life on it. So far the signs of life on Mars has neither been confirmed nor ruled out (排除 ). Russians have discovered that the surface of Venus is so hot that it is almost certain that there is no life there. Also the atmosphere of Venus is extremely dense and the pressure is nearly a