单选题During the past years the ______ of automobile accidents in New York City has decreased.

单选题We had a party last month, and it was a lot of fun, so let's have ______ one this month. A. other B. more C. the other D. another

单选题I am sorry. I ______ finished it by last Monday, but I have been too busy. A. must have B. may have C. ought to have D. might have

单选题Speaker A: You think Sara can tell me where I can go for some shoe shopping? Speaker B: ______ She has all the info for shopping.

单选题As the air conditioner does not work very well, they are going to have the service man ______ an electric fan in the office tomorrow.

单选题If a country wants to develop its economy successfully, there has to be a clear______of its social needs.

单选题Speaker A: Oh, hi, Dr. Hill. Can I discuss my grade on my term paper with you now? Speaker B: Sure. ______

单选题Speaker A: I'm going to the park with some friends for a barbecue on Sunday. Would you like to join us?Speaker B: ______

单选题Possessing a car gives a much greater degree of ______, enabling the driver to move around freely.

单选题I don"t think the charge for overhauling (大修) the equipment is excessive in ______ to its size.

单选题What is one of the advantages of biometric technology? A．It better protects people’s privacy. B．It helps people follow a healthy life style. C．It is cheaper than traditional methods. D．It identifies people more accurately

单选题______ scientists develop new ways of feeding the human race, the crowded conditions on earth will make it necessary for us to look for open space somewhere else. A. Until B. Since C. Once D. Even if

单选题C. He doesn't speak clearly. D. He's unreliable.

单选题Many new difficulties ______ when they began to carry out the plan. A. arose B. was arisen C. was arising D. is arisen

单选题Who says your job leaves you no time to hit the gym? A detailed new study of U. S. physical activity patterns shows that men who work full-time—whether their jobs are active or sedentary— end up getting more exercise than healthy working-age men without a job. The new study comes from researchers at the National Institutes of Health (NIH). As part of the National Health and Nutrition Examination Survey in 2003, some 1,800 working-age adults were asked questions about their lifestyle and work habits, and, most importantly, they then agreed to wear an accelerometer—a device to measure their physical activity—over the course of several days. Those data from the accelerometers provide a rare opportunity to nail down how much activity the typical American actually does. They show that men or women who work in active jobs do more physical activity on weekdays than men or women working in sedentary jobs: that's perhaps not surprising, but the NIH researchers suggest that it still matters because of an ongoing shift in the economy toward sedentary work. The more surprising finding is the one that compares full-time workers to people who don't work. The study shows that men with full-time jobs do more physical activity than healthy men without jobs. ("Healthy men", in this case, were those men who said their primary reason for being out of work—was something other than health or disability.) In fact, even sedentary full- time workers performed more weekday physical activity overall than the healthy non-workers. The results looked very different for women. Women in sedentary jobs did less physical activity on weekdays than their healthy non-working peers. So what drives the gender (性别) difference? The study looks at the pattems, and unfortunately can't provide too much detail about their causes. There could be many possible answers, including, perhaps, different abilities to pay for leisure time activities or different attitudes about work and physical activity. It could also be that more non-working women than men are choosing to be at home running around full-time after the kids. But the NHK researchers do find evidence, they write, to suggest that, whatever causes the difference, healthy non-working women "are replacing work with active pursuits whereas" —for some reason— "non-working men generally are not. /

单选题He would have finished his university study but he ______ to quit and find a job to support his family.

单选题We should not be made to ______ the basic principle, namely, the need and desire of the adolescent to engage responsibility in the real pursuit of life and then to learn through responsibility. A. lose sight of B. lose track of C. become blind of D. give way to

单选题"The latter problem" in Paragraph 4 refers to ______.

单选题Man: Excuse me. Do you need some help? Women: Well... I'm trying to get to the railway station, but I can't make heads or tails of this ticket mashine. Question: What is the women's problem?

单选题When catching an airplane, you'd better be earlier, and therefore you can avoid the frustration of arriving at the very moment when the plane is taking off and ______ unable to get on it. A. be B. are C. being D. were