17. Toughened hiring standards have not been the primary cause of the present staffing shortage in public schools. The shortage of teachers is primarily caused by the fact that in recent years teachers have not experienced any improvements in working conditions and their salaries have not kept pace with salaries in other professions. Which of the following, if true, would most support the claims above? A. Many teachers already in the profession would not have been hired under the new hiring standards. B. Today more teachers are entering the profession with a higher educational level than in the past. C. Some teachers have cited higher standards for hiring as a reason for the current staffing shortage. D. Many teachers have cited low pay and lack of professional freedom as reasons for their leaving the profession. E. Many prospective teachers have cited the new hiring standards as a reason for not entering the profession.
18. A proposed ordinance requires the installation in new homes of sprinklers automatically triggered by the presence of a fire. However, a home builder argued that because more than ninety percent of residential fires are extinguished by a household member, residential sprinklers would only marginally decrease property damage caused by residential fires. Which of the following, if true, would most seriously weaken the home builder’s argument? A. most individuals have no formal training in how to extinguish fires. B. Since new homes are only a tiny percentage of available housing in the city, the new ordinance would beextremely narrow in scope. C. The installation of smoke detectors in new residences costs significantly less than the installation of sprinklers. D. In the city where the ordinance was proposed, the average time required by the fire department to respond to a fire was less than the national average. E. The largest proportion of property damage that results from residential fires is caused by fires that start when no household member is present.
19. Even though most universities retain the royalties from faculty members’ inventions, the faculty members retain the royalties from books and articles they write. Therefore, faculty members should retain the royalties from the educational computer software they develop. The conclusion above would be more reasonably drawn if which of the following were inserted into the argument as an additional premise? A. Royalties from inventions are higher than royalties from educational software programs. B. Faculty members are more likely to produce educational software programs than inventions. C. Inventions bring more prestige to universities that do books and articles. D. In the experience of most universities, educational software programs are more marketable that are books and articles. E. In terms of the criteria used to award royalties, educational software programs are more nearly comparable to books and articles than to inventions.
20. Increase in the level of high-density lipoprotein (HDL) in the human bloodstream lower bloodstream-cholesterol levels by increasing the body’s capacity to rid itself of excess cholesterol. Levels of HDL in the bloodstream of some individuals are significantly increased by a program of regular exercise and weight reduction. Which of the following can be correctly inferred from the statements above? A. Individuals who are underweight do not run any risk of developing high levels of cholesterol in the bloodstream. B. Individuals who do not exercise regularly have a high risk of developing high levels of cholesterol in the bloodstream late in life. C. Exercise and weight reduction are the most effective methods of lowering bloodstream cholesterol levels in humans. D. A program of regular exercise and weight reduction lowers cholesterol levels in the bloodstream of some individuals. E. Only regular exercise is necessary to decrease cholesterol levels in the bloodstream of individuals of average weight.
17. Toughened hiring standards have not been the primary cause of the present staffing shortage in public schools. The shortage of teachers is primarily caused by the fact that in recent years teachers have not experienced any improvements in working conditions and their salaries have not kept pace with salaries in other professions. Which of the following, if true, would most support the claims above? P:教师短缺是因为他们不能在工作环境上提升experienced any improvements，且薪水赶不上professions. C:严厉雇佣制度不是主要原因 Support：用现象证明结论D. Many teachers have cited low pay and lack of professional freedom as reasons for their leaving the profession.
18. A proposed ordinance requires the installation in new homes of sprinklers automatically triggered by the presence of a fire. However, a home builder argued that because more than ninety percent of residential fires are extinguished by a household member, residential sprinklers would only marginally decrease property damage caused by residential fires. Which of the following, if true, would most seriously weaken the home builder’s argument?
19. Even though most universities retain the royalties from faculty members’ inventions, the faculty members retain the royalties from books and articles they write. Therefore, faculty members should retain the royalties from the educational computer software they develop. The conclusion above would be more reasonably drawn if which of the following were inserted into the argument as an additional premise?
P:Universities拥有教职工invention的技术使用权，教职工拥有books and articles著作权 C: 教职工也应该有educational computer software的技术使用权 Gap:educational computer software 和books and articles性质差不多
E
20. Increase in the level of high-density lipoprotein (HDL) in the human bloodstream lower bloodstream-cholesterol levels by increasing the body’s capacity to rid itself of excess cholesterol. Levels of HDL in the bloodstream of some individuals are significantly increased by a program of regular exercise and weight reduction.
人血管中HDL的增加可降低C level HDL的level的增加可通过运动和减肥 Gap: 运动减肥与C的关系 Inference:运动减肥刻降低Clevel D. A program of regular exercise and weight reduction lowers cholesterol levels in the bloodstream of some individuals.
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发表于 2011-10-20 23:38:59
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