[外语类试卷]考博英语模拟试卷163及答案与解析.doc
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1、考博英语模拟试卷 163及答案与解析 一、 Reading Comprehension 0 For years, doctors have given cancer patients three main treatments: surgery, radiation and chemotherapy. Now researchers are developing a fourth weapon: the patients own immune system. New vaccines and drugs can stimulate the production of an army of ce
2、lls and antibodies that kill cancer cells. Drug-vaccine therapy may be lifesaver for Deerfield man. Few people survive advanced melanoma, but immune therapy is giving Deerfield resident Douglas Parker a fighting chance. The 46-year-old salesman noticed a mole on his chest three and a half years ago
3、that was found to be cancerous. Doctors removed the mole but didnt get all of the cancer. The cancer spread to other parts of his body, including his liver, where a tumor grew as large as a baseball. Parker took interferon and interleukin-2 to boost his immune systems ability to fight the cancer. Th
4、e tumor shrank but didnt disappear. In August, 1997, surgeons removed it, along with two-thirds of his liver. Last January, doctors discovered a new tumor on Parkers left adrenal gland. He received an experimental cancer vaccine at the University of Chicago Hospitals, but the vaccine didnt stop the
5、cancer from spreading to his right adrenal gland. To augment the vaccine, doctors at Lutheran General Hospital gave Parker a new round of interleukin-2 and interferon. The drug-vaccine combination has shrunk the tumors. And while its too early to pronounce Parker cured, immune therapy may save his l
6、ife. “I want to do this to help myself as well as other people who have melanoma, he said. Immune therapy “ultimately will be a significant change in the way we treat a lot of different cancers,“ said Dr. Jon Richards of Lutheran General Hospital in Park Ridge, who is testing cancer vaccines on mela
7、noma patients. “It will be an equal partner with the other three treatments in the next five to ten years.“ Several drugs that bolster the immune system have been approved, and vaccines are being tested in dozens of clinical trials, including several in the Chicago area. Many of the experimental vac
8、cines have been tested on patients with advanced melanoma who have little chance of surviving with conventional treatments alone. Researchers also have begun doing work that could lead to vaccines to treat prostate, lung, colon and other cancers. Immune therapy alone wont cure cancer. But when used
9、after conventional treatments, it could kill cancer cells that survive surgery, radiation or chemotherapy, researchers said. Some day, vaccines also might be able to prevent certain cancers. It may be possible to vaccinate against viruses and bacteria that help cause cervical, liver and stomach canc
10、ers, the National Cancer Institute said. 1 The “fourth weapon“ cures cancer by_. ( A) replacing cancerous cells ( B) boosting the immune system ( C) killing cancer cells directly ( D) quickening the reproduction of cells 2 Before he tried the drug-vaccine combination, Mr. Parker was kept alive throu
11、gh _. ( A) surgery ( B) radiation ( C) chemotherapy ( D) immune therapy 3 What does Dr. Jon Richards mean when he says “It will be an equal partner with the other three treatments in the next five to ten years“ ? ( A) Within a decade, immune therapy will replace the other treatments. ( B) In the nea
12、r future, immune therapy will prove to be a better treatment. ( C) For some time, immune therapy will not be the only treatment for the desired effect. ( D) Within the next five to ten years, immune therapy will only be the main treatment for cancer. 4 According to the passage, the prospect of curin
13、g cancer through immune therapy is _. ( A) dim ( B) doomed ( C) questionable ( D) bright 5 According to the passage, all of the following are true EXCEPT that _. ( A) Mr. Parker will successfully survive his cancer ( B) immune therapy has made a great difference in curing cancer ( C) Mr. Parker is w
14、illing to receive immune therapy ( D) immune therapy is the most effective when supplemented by conventional treatment 5 Resistance to the 1954 United States Supreme Court decision terminating segregation placed the schools in the middle of a hitter and sometimes violent dispute. By 1965, when a mea
15、sure of genuine integration had become a reality in many school districts, the schools again found themselves in the eye of a stormy controversy. This time the question was not which children were going to what schools but what kind of education society should provide for the students. The goal of h
16、igh academic performance, which had been revived by criticisms and reforms of the 1950s and early 1960s, began to be challenged by demands for more liberal and free schooling. Many university and some high-school students from all ethnic groups and classes had been growing more and more frustratedso
17、me of them desperately soover what they felt was a cruel and senseless war in Vietnam and a cruel, discriminatory, competitive, loveless society at home. They demanded curriculum reform, improved teaching methods, and greater stress and action on such problems as overpopulation, pollution, internati
18、onal strife, deadly weaponry., and discrimination. Pressure for reform came not only from students but also from many educators. While students and educators alike spoke of the greater need for what was taught, opinions as to what was relevant varied greatly. The blacks wanted new textbooks in which
19、 their people were recognized and fairly represented, and some of them wanted courses in black studies. They, and many white educators, also objected to culturally biased intelligence and aptitude tests and to academic college entrance standards and examinations. Such tests, they said, did not take
20、into account the diverse backgrounds of students who belonged to ethnic minorities and whose culture was therefore different from that of the white middle-class student. Whites and blacks alike also wanted a curriculum that touched more closely on contemporary social problems and teaching methods th
21、at recognized their existence as individual human beings rather than as faceless robots competing for grades. Alarmed by the helplessness and hopelessness of the urban ghetto schools, educators began to insist on curricula and teaching methods flexible enough to provide for differences in students s
22、ocial and ethnic backgrounds. Moreover, for educational reformers the urban ghetto school became a symbol of a general failure of American education to accomplish the goal of individual development. Also reminiscent of those decades were the child-centered schools that sprang up in the later 1960s a
23、s alternatives to and examples for the traditional schools. The clash between the academically and the humanistically oriented schools of thought, therefore, was in many ways one more encounter in the continuing battle between conservatives and liberals. 6 The major dispute in 1954 can be summarized
24、 as _. ( A) which children should attend what schools ( B) what kind of education schools should provide for children ( C) what kind of schooling was the most ideal ( D) how schools should achieve high academic performance 7 The second paragraph is mainly about_. ( A) social evils existing in the 19
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