单选题The faces of elderly, happily-married people sometimes resemble each other. Dr. Aiken studied a number of couples who had been married for at least twenty-five years. Each couple provided four photographs—one photo of each partner at the time of their marriage and another photo of each partner twenty-five or more years later. All background was cut from the photos to remove any clues. The photos were then displayed in groups: a random grouping of the persons at the time of their marriage and another random grouping of the same persons who took photographs later. Some testees were asked to pick out the partners. They failed totally with the first group. Their judgments were no better than chance . But with the photos taken twenty-five or more years after the marriage, the testees were quite successful with the most happily-married couples. Dr. Aiken believes there are several reasons why couples grow alike. One reason has something to do with imitation. One person tends to copy or do the same as someone else without knowing it. He says human begins to imitate the expressions of the faces of their loved ones. "Another possible reason," he says, "is the common experience of the couples." There is a tendency for people who have the same life experience to change their faces in similar ways. For example, if a couple have suffered from a lot of sad experiences, their faces are likely to change in a similar way.

单选题Once upon a time all you needed for a camping trip was a sleeping bag, a compass and some common sense. Now, according to my local sporting goods retailer, a lot more should be added. However, outdoor travel has become such a trend that urban people find themselves with some upscale retailers to address their every desire. "Eco" and "adventure" are the latest fashionable words in destination travel; those in the industry know they can make serious cash off all the consumers. These are consumers who get outdoors not for nature"s sake, but to work out simply for a splendid cocktail party. As a result of high-end demand, the great outdoors is becoming less affordable and accessible for ordinary people. Our national parks used to be vast acres of wilderness where people could go and enjoy nature, for free. But over the past 100 years, the government has been slowly selling or leasing off public lands for profit, and our current president is continuing the trend. Large ski resorts have swallowed up plenty of wilderness and small towns in the West by attracting more high-end businesses. Nature is now a commodity that can be repackaged and sold to the wealthy developers. As for the small amount of public land left, well, try to remember the last time you camped at a state park for free. The Joneses and everyone trying to keep up with them want a piece of the outdoors, but only with creature comforts included. The rest of us are being slowly priced out of nature. Pretty soon my tent and sleeping pack will be out of date; since camping will mean a luxury yurt with skylights for star-gazing. If this is what signifies experiencing nature in the new millennium, then Thoreau must be rolling in his grave.

单选题With larger numbers of graduates than ever before, just having a degree will no longer be enough to make you ______in the crowd.

单选题Liquids are like solids __________ they have a definite volume.

单选题(Would) you mind (waiting) a moment for me? My work will be (finished) (at no time).

单选题I always ______ my childhood as the happiest time of my life.

单选题Our society has changed and ______ in it.

单选题All the reference books should be made ______ to the teachers and students in our university.

单选题No one likes to see his feelings ______, so Gabriel Oak turned away.

单选题Once upon a time a poor farmer taking a sack of wheat to the mill did not know (1) to do when it slipped from his horse and fell (2) the road. The sack was (3) heavy for him to (4) , and his only hope was that (5) some one would come riding by and (6) a hand. It was not long (7) a rider appeared, but the farmer's heart sank when he (8) him, for it was the great man who lived in a castle nearby. The farmer (9) have dared to ask (10) farmer to help, or any poor man who might have come (11) the road, but he could not beg a (12) of so great a man. (13) , as soon as the great man came up he got (14) his horse, saying, "I see you've had bad luck, friend. How good it is (15) I'm here just at the (16) time. " Then he took one (17) of the sack, the farmer the other, and between them they lifted it on the horse. "Sir," asked the farmer, "how can I pay you?" "Easily enough," the great man (18) . "Whenever you see (19) else in trouble, (20) the same for him. /

单选题For a green-hand babysitter, it seems a very difficult task ______.

单选题The word handle in the last paragraph most probably means ______.

单选题A: I've just heard that the tickets for Swan Lake have been sold out! B: Oh, no! ______

单选题Nowadays, children often prefer ______ TV to reading. A. watching B. to watch C. being watched D. watch

单选题Yesterday evening the old wooden house was burned and the mother died trying to _____ her child from the fire.

单选题The girls ______ a pizza and two drinks and took them to a dining table.

单选题At half past one the downpour ______. A. paused B. halted C. ceased D. cemented