[外语类试卷]专业英语八级模拟试卷713及答案与解析.doc
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1、专业英语八级模拟试卷 713及答案与解析 SECTION A MINI-LECTURE Directions: In this section you sill hear a mini-lecture. You will hear the lecture ONCE ONLY. While listening, take notes on the important points. Your notes will not be marked, but you will need them to complete a gap-filling task after the mini-lecture.
2、 When the lecture is over, you will be given two minutes to check your notes, and another ten minutes to complete the gap-filling task on ANSWER SHEET ONE. Use the blank sheet for note-taking. 0 Tips on Having More Fruit to Keeping You Healthy I. A few steps you need to help have more fruit: 1) Havi
3、ng fruit around is the【 1】 . 【 1】 _ 2) Try keeping small amount out on【 2】 to remind yourself to reach for it at snack time. 【 2】 _ 3) Try putting【 3】 on the table at the same time as the rest of the meal. 【 3】 _ 4) Try using fruit in salads more often. II. Eating plenty of fruit is better than skip
4、ping the produce【 4】 【 4】 _ 1) Many of the nutrients in【 5】 to be found in fruit. 【 5】 _ 2) To get a【 6】 of these nutrients. 【 6】 _ 3) Not to completely【 7】 a lack of vegetables. 【 7】 _ III. The main factors that help people live longer: According to Dr David Demko, 4 other factors are equally impor
5、tant:【 8】 , diet,【 8】_ exercise and an alert mind. . The ways to be healthy and wealthy. 1) To give up some【 9】 hobbies and ways of life. 【 9】 _ 2) To keep on observing right【 10】 of diets, eating more fruit and veggies. 【 10】_ 1 【 1】 2 【 2】 3 【 3】 4 【 4】 5 【 5】 6 【 6】 7 【 7】 8 【 8】 9 【 9】 10 【 10】
6、SECTION B INTERVIEW Directions: In this section you will hear everything ONCE ONLY. Listen carefully and then answer the questions that follow. Questions 1 to 5 are based on an interview. At the end of the interview you will be given 10 seconds to answer each of the following five questions. Now lis
7、ten to the interview. 11 What strikes the woman most about the male robber is his_. ( A) clothes ( B) age ( C) physique ( D) appearance 12 The most detailed information about the woman robber is her_. ( A) manners ( B) talkativeness ( C) height ( D) jewelry 13 The interviewee is believed to be a ban
8、k_. ( A) receptionist ( B) manager ( C) customer ( D) cashier 14 Which of the following about the two robbers is NOT true? ( A) Both were wearing dark sweaters. ( B) Neither was wearing glasses. ( C) Both were about the same age. ( D) One of them was marked by a scar. 15 After the incident the inter
9、viewee sounded_. ( A) calm and quiet ( B) nervous and numb ( C) timid and confused ( D) shocked and angry SECTION C NEWS BROADCAST Directions: In this section you will hear everything ONCE ONLY. Listen carefully and then answer the questions that follow. At the end of each news item, you will be giv
10、en 10 seconds to answer the questions. 16 According to the news, it was _who first leaked the name of Mrs. Wilson as a CIA operative. ( A) Manmohan Singh ( B) Mathew Cooper ( C) president Bush ( D) Karl Rove 16 The FDA may rescind its approval of Avastin, a colon-cancer drug. If the summer of 2009 w
11、as the season of “death panels,“ as the debate over health-care reform exploded, this is the season of “17. 5k dead women a year. “ Thats the body count scaremongers are predicting if the Food and Drug Administration rescinds its provisional approval of the drug Avastin for metastatic breast cancer,
12、 a decision expected by years end. Although the move has nothing to do with the new health-care law, uncertainty about “Obama-care“ has given opponents an opening to terrify people about whats cominglike bureaucrats rationing health care to save money. The reality is far different and, for those who
13、 care more about helping cancer patients than about scoring political points, much sadder. Thats because in 2008, when the FDA gave “fast track“ approval for Avastin in breast cancer that has metastasizedusually to the lungs, bones, liver, or brainit was conditional on the manufacturer, Genentech, r
14、unning additional clinical trials of the drugs safety and efficacy. There was good reason for that. Avastin is an angiogenesis inhibitor, a class of cancer drugs that have not lived up to their hype: although they stop one mechanism by which malignant cells grow blood vessels to sustain them, the ce
15、lls often activate a different mechanism and go on proliferating. Although Avastin does extend the lives of patients with metastatic colorectal and kidney cancer, and remains FDA-approved for those uses, the new studies show it does not work the same miracle against metastatic breast cancer (MBC). I
16、nstead, Avastin increased whats called progression-free survival (how long before cancer spreads or grows) by about one to three Weeks, depending on which chemo agent it was paired with. But it did not keep women alive any longer than chemo alone. To some advocates, progression-free survival without
17、 an increase in overall survival is still welcome, since it suggests patients have a better quality of life during their last months. But its hard to make that case for Avastin. Not only did it not keep women alive, but it also caused hypertension, hemorrhaging, bowel perforations, and other side ef
18、fects. “It seems as if the drugs toxicity cancels out any benefit,“ cancer surgeon David Gorski of the Karmanos Cancer Institute told me. Perforated bowels do not equal a better quality of life. These dismal results are what led an FDA panel to vote 121 in July to rescind the conditional approval of
19、 Avastin for MBC. Critics of health-care reform, predictably, saw nefarious motivesin particular, evidence that Obamacare will ration expensive drugs. (Avastin costs some $88,000 a year, though few patients live that long.) The Wall Street Journal editorialized about the “Avastin mugging,“ and Sen.
20、David Vitter accused the FDA of “assigning a value to a day of a persons life. “ If Avastin did extend lives for, lets say, $ 10,000 a day, Vitter might have a case. But it doesnt extend life at all. That makes allegations like the 17,500 dead women (from a right-wing blag) “utter demagoguery of the
21、 most vile and despicable sort,“ Gorski wrote on the blog Science-Based Medicine. There are stories galore of women with metastatic breast cancer who are alive “because of Avastin.“ Indeed, patients have been flooding the airwaves and blogosphere with claims that Avastin helped them. But the only wa
22、y to tell whether Avastin deserves the credit for keeping patients alive is through large studies. “There are always patients who live longer than average,“ biostatistician Donald Berry of the MD?Anderson Cancer Center told me. “They attribute it to the treatment; people love to make attributions.“
23、But when the proportion of patients alive at any given time in a study is the same whether they are receiving Avastin or notas the two large trials foundthen crediting Avastin is “very likely wrong. “ That some women did live longer on Avastin, Berry explained, “may simply reflect the natural hetero
24、geneity of the disease and say nothing about the therapy. “ Doctors can keep prescribing Avastin for metastatic breast cancer off-label, though insurers will not pay for it. Some activists welcome that. There is “no evidence of clinical benefit from Avastin, yet there is harm,“ says Fran Visco, pres
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