当前分类： 全国英语等级考试（四级）
问题：单选题PPL scientists will try to solve their problem by ______.A removing the sugar molecule on the surface of pig cells.B distinguishing human tissues form those of pigs.C using the sugar-free nucleus in cloning a pig.D taking out the sugar genes from the c...
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问题：单选题The text is mainly about ______.A the contributions of two scientists to psychological studies of language.B the psychological studies on language learning in the 1950s.C Carroll’s studies on the hypothesis put forward by Penfield.D the influence of la...
问题：单选题It can be inferred from Paragraph 2 that human society will become increasingly ______.A worried about life on other planets.B dependent on space tourism.C accustomed to long-distance flights.D associated with space exploration....
问题：单选题A foreign graduate student who applies for immigrant status must have ______.A a U. S. employer’s sponsorship.B financial capital to create ten jobs.C a job in an American company.D the help of an immigration lawyer....
问题：单选题According to the author, which of the following contributes to the development of political ideology during adolescence?A Conscious recognition by the adolescence of his or her own naiveté.B Thorough comprehension of the concept of ordination.C Evaluat...
问题：单选题Penfield’s viewpoint was met with much ______.A interest.B controversy.C compliments.D encouragement....
问题：单选题What is a basic requirement for work in all professions according to the passage?A Imagination.B Reliability of character.C Discipline.D Obedience to orders....
问题：问答题Passage 1 Believe it or 1 , airlines really are trying to do better. They promised to improve customer service last year under pressure from a Congress which was fed 2 with stories of nightmare flights. So why is it that flying is getting 3 for so ...
问题：单选题The Canadian health care system is ______.A financially supported by private enterprises.B run according to different principles.C designed for the convenience of the public.D complicated by administration....
问题：问答题Passage 1 Some people were just born to rebel; Charles Darwin was 1 of them. Likewise Nicholas Copernicus, Benjamin Franklin and Bill Gates. They were 2 “laterborns” —that is, they had at least one older sibling — brother or sister — when they wer...
问题：单选题In the US, there is a long waiting list for organs because ______.A there is a shortage of actual organsB only a few people become organ donorsC doctors have set a limit to the number of organ recipientsD transplant surgery is still experimental...
问题：单选题The first paragraph shows that Jill Kerr Conway accepts utilitarian emphasis in education ______.A who literatelyB with reservationC against her own willD with contempt...
问题：问答题Passage 1 Historians of the war can be 1 into two schools. The 2 considers that it was the unavoidable outcome of conflicting interests between Northern and Southern states. The second blames it 3 political leaders for __4__ to avert an unnecessar...
问题：单选题During the 1980s, women started to play a more important role in ______.A demanding political rights.B improving social welfare.C supporting the family.D earning better wages....
问题：单选题The main reason for the latest rise of oil price is ______.A global inflationB reduction in supplyC fast growth in economyD Iraq’s suspension of exports...
问题：单选题The superiority of the Canadian health care system is seen in ______.A its low medical cost and better public health.B the immediate compensations form insurance companies.C its prompt application of advanced technological innovations.D the low charges...
问题：单选题It can be inferred that Charles Francis Adams Jr. ______.A devoted his later years to classical educationB was an advocate of education in historyC was an opponent to classical educationD regretted diminishing the importance of the distinction...
问题：单选题The text indicates that private schools are very selective because they ______.A have no reliable methods to pick students for a classB want a good mixture of boys and girls for classesC encounter more demand than they can cope withD prefer to enroll c...
问题：问答题Passage 1 Despite the basic biological, chemical, and physical similarities found in all living things, a diversity of life exists not only among and between species but also within every natural population. The phenomenon of diversity has had a long ...
问题：单选题Steven Muller believes that higher education fails to ______.A inform the students of what is right or wrong.B tell the students which scientific method is valuable.C present valuable religious ideas to students.D familiarize students with means of inq...
