逆袭版2014年统考英语B全新题库,大学英语B模拟考三.doc

大学英语B3 一、交际英语 1、- I really dont know how to thank you enough. - ______. A：No problem B：Think nothing of it C：Not at all D：It doesnt matter ： B 2- I have an appointment with Dr. Edward. - _________ A：Please wait for a minute. B：Are you sick? C：Tell me about your appointment. D：Dr. Edward didnt tell me. ： A 3- Whos speaking? - This is Tom . A：speaks B：spoken C：speaking D：saying ： C 4- Excuse me, could you show me the way to the nearest post office? - __________ Oh yes! Two blocks away from here at the Green Avenue. You cant miss it. A：I beg your pardon? B：What do you mean? C：Youre welcome. D：Mm, let me think. ： D 5- Im sorry. I lost the key. - ________ A：Well, its OK. B：No, its all right. C：You are welcome. D：You are wrong. ： A 1、One way that scientists learn about man is by studying animals, such as mice and monkeys. The scientists in this laboratory are experimenting on mice. They are studying the relationship between diet and health. At this time, over one hundred experiments are being done in this laboratory. In one of these experiments, the scientists are studying the relationship between the amount of food the mice eat and their health. The mice are in three groups. All three groups are receiving the same healthy diet. But the amount of food that each group is receiving is different. The first group is eating one cup of food each day, the second group is eating two cups, and the third group of mice is eating three cups. After three years, the healthiest group is the one that is only eating one cup of food each day. The mice in this group are thinner than normal mice. But they are more active. Most of the day, they are running, playing with one another, and using the equipment in their cages. Also, they are living longer. Mice usually live for two years. Most of the mice in this group are still alive after three years. The second group of