单选题Britain might still be part of France if it weren't ______ a disastrous flood 200000 years ago, according to scientists from Imperial College in London.

单选题Till now the problem is far from ______.

单选题The engineers have used special methods to ______ the bridge against danger from high winds. A. suppress B. lubricate C. heave D. ensure

单选题 Questions25-27 are based on the recording you have just heard.

单选题Some people hold that, since we live in a money-oriented society, the average individual cares little about solving ______ problems.

单选题In an automated highway system, all the driver needs to do is______.

单选题The passage states that bees differ from most other communities of insects in their need to ______.

单选题He ______ that he has discovered a new planet. A. permits B. claims C. classifies D. confesses

单选题Woman: Did you see the article in today's paper on the new Italian restaurant? Man: Yes, and I've already made reservations for us this Thursday. Question: What does the man mean?

单选题Britain's leading swimmers are facing a test of their ______ as well as their skills at the Olympic trials in Sheffield.

单选题Paul was lying on the lawn, his hands ______ under his head. A. were crossing B. were crossed C. crossing D. crossed

单选题The world's population is becoming ______.

单选题We agreed to accept ______ they thought was the best tourist guide. A. whatever B. whomever C. whichever D. whoever

单选题For decades, Americans have taken for granted the United States' position in the development of new technologies. The innovations(创新) that resulted from research and development during World War Ⅱ and afterwards were 26 to the prosperity of the nation in the second half of the 20th century. Those innovations, upon which virtually all aspects of 27 society now depend, were possible because the United States 28 then the world in mathematics and science education. Today, however, despite increasing demand for workers with strong skills in mathematics and science, the 29 of degrees awarded in science, math, and engineering are decreasing. The decline in degree production in what are called the STEM disciplines (science, technology, engineering, and math) seems to be 30 related to the comparatively weak performance by U. S. schoolchildren on international assessments of math and science. Many students entering college have weak skills in mathematics. According to the 2005 report of the Business-Higher Education Forum, 22 percent of college freshmen must take remedial(补习的) math 31 , and less than half of the students who plan to major in science or engineering 32 complete a major in those fields. The result has been a decrease in the number of American college graduates who have the skills, 33 in mathematics, to power a workforce that can keep the country at the forefront (前沿) of innovation and maintain its standard of living. With the 34 performance of American students in math and science has come increased competition from students from other countries that have strongly supported education in these areas. Many more students earn 35 in me STEM disciplines in developing countries, especially China, than in the United States. A. accelerating B. actually C. closely D. contemporary E. courses F. critical G. declining H. degrees I. especially J. future K. led L. met M. procedures N. proportions O. spheres

单选题_____ the few who have failed in their examination, all the other students in the hall are in very highspirits.

单选题(Having rejected) by (everyone), the student (representative) (resigned) the committee.A. Having rejectedB. everyoneC. representativeD. resigned

单选题Man: Mr. Brown asked me to tell you that he's sorry, he can't come to meet you in person. He's really too busy to make the trip. Woman: That's OK. I'm glad you've come in his place. Question: What do we learn from the conversation? A. The man is late for the trip because he is busy. B. The woman is glad to meet Mr. Brown in person. C. The man is meeting the woman on behalf of Mr. Brown. D. The woman feels sorry that Mr. Brown is unable to come.

单选题 长城 长城是中国也是世界上修建时间最长、工程量最大的一项古代防御工程(defense works)。自公元前七八世纪开始，长城延续不断修筑了2000多年，分布于中国北部和中部的广大土地上，总计长度达50000多千米，被称之为“上下两千多年，纵横十万余里”。如此浩大的工程不仅在中国就是在世界上，也是绝无仅有的，因而在几百年前就与古罗马竞技场(Colosseum)、比萨斜塔等列为中古世界七大奇迹。