阅读下面短文,从短文后所给各题的四个选项(A、B、C和D)中选出能填入相应空白处的最佳选项。 Recently I was invited to a friend’s house for supper—and had a meal I had never had before. All the friends invited were a little (36) . It’s not that Ben is unsociable, or a bad cook, but it’s just that he never (37) more than he has to. So how come he was inviting us round for a meal Had he bought something (38) for his friends He greeted us at the door and showed us into his dining room where a (39) table was waiting for us. "Nothing but the (40) for my friends!" saidBen. We all sat down and looked (41) at each other—what was he (42) Ben returned with four bowls of hot soup. "It’s a (43) of carrots, potatoes and tomatoes," said Ben. The next (44) was also a little strange (45) we didn’t quite know what it was again. It was just another mixture of vegetables. As we ate we chatted and finally the (46) turned back to what we were eating. "Was there a recipe for this," asked Marina, "or did you (47) it up" Ben put his fork down, "What I cooked (48) what I could find. "Marina was surprised," But you can find anything in supermarkets these days." "But there’s (49) choice in what you can find (50) supermarkets," he replied. (51) that we had all finished the food, Ben decided to tell the troth. He had read recently that supermarkets usually (52) away five percent of their food every day. So Ben decided to look inside his local supermarket bins. There he found food that was slightly out of (53) , boxes of vegetables and fruit thrown away. So Ben had (54) provided a decent meal for his friends, and made us aware of the fact that there are many poor people who need the food, but the amount of food thrown away is enough to (55) millions of people.
A. enrich
B. please
C. affect
D. feed
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What in particular did the woman like about the American classes
A. [A] The teachers were kind.
B. The students were quite free.
C. There were a lot of activities in class.
B Our surroundings are being polluted faster than ever and it seems that people cannot prevent it. Time is bringing us more people, and more people will bring us more industry, more cars, larger cities, and the growing use of man-made materials. What can explain and settle this problem The fact is that pollution is caused by man—by his desire for a modern way of life. We make "increasing industrialization" as our first aim. So we are often ready to offer everything: clean air, pure water, good food, our health and the future of our children. There is a constant flow of people from the country-side into the cities, eager for the achievements of our modern society. But as our technological achievements have grown in the last 20 years, pollution has become a serious problem. Isn’t it time we stopped to ask ourselves where we are going—and why It makes one think of the story about the pilot who told his passengers over the loudspeaker," I’ve some good news and some bad news. The good news is that we’re making rapid progress at 530 miles per hour. The bad news is that we are lost and don’t know where we’re going." The sad fact is that this becomes a true story when speaking of our modern society. According to the passage, what does man care most among the following
A. Health.
B. Industry.
Clean air.
D. The future of the children.
听下面5段对话或独白。每段对话或独白后有几个小题,从题中所给的A、B、C三个选项中选出最佳选项,并标在试卷的相应位置。听每段对话或独白前,你将有5秒钟的时间阅读各个小题;听完后,各小题将给出5秒钟的作答时间。每段对话或独白读两遍。 When would the meeting start
At 2:45.
B. At 3:00.
C. At 3:15.
人类基因组计划的成果是多方面的,主要体现在鉴定基因的4张图上,分别是哪4张图遗传作图中应用了大量遗传标记,试举出四种遗传标记及利用它们进行遗传作图的原理。