[考研类试卷]考研英语(二)模拟试卷21及答案与解析.doc
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1、考研英语(二)模拟试卷 21 及答案与解析一、Section I Use of EnglishDirections: Read the following text. Choose the best word(s) for each numbered blank and mark A, B, C or D. (10 points) 1 Air is (1)_, and like all matter, it has weight. Weight is the measure of the (2)_ of gravity (3)_ matter. If a scale registers 10
2、kilograms when a stone is placed on it, this means that gravity pulls the stone with that (4)_ force. (5)_, earths gravity pulls on each (6)_ of gas and dust on the atmosphere. Because our atmosphere is a. vast (7)_ of air, it has (8)_. If it could (9)_ be compressed and put on a (10)_ of scales, it
3、 would weigh about 5,700,000,000,000,000 (quadrillion) metric tons.The air pressed down on us and against us (11)_ all sides. Something (12)_ a ton of air is pressing against you at this moment. You are not (13)_ of this because air pressure within your body (14)_ the pressure of the air outside.Air
4、 pressure is 1.036 kilograms per square centimeter (14.7 pounds per square inch) at sea (15)_. It is greatest there because that is the (16)_ of the atmosphere. (17)_ higher altitudes the pressure is (18)_. That is why the (19)_ of highflying planes are pressurized. They are designed to (20)_ the ai
5、r pressure our bodies must have.(A)thing(B) material(C) atmosphere(D)matter(A)pull(B) size(C) gravity(D)number(A)at(B) to(C) on(D)by(A)many(B) much(C) heavy(D)weighted(A)Usually(B) Frequently(C) Naturally(D)Similarly(A)kilogram(B) group(C) matter(D)particle(A)ocean(B) plain(C) container(D)vessel(A)s
6、ome(B) definite(C) countless(D)considerable(A)surely(B) somehow(C) constantly(D)carefully(A)set(B) series(C) variety(D)kind(A)from(B) in(C) by(D)on(A)as(B) of(C) like(D)about(A)knowing(B) sure(C) feeling(D)aware(A)supports(B) balances(C) comes from(D)acts as(A)altitude(B) height(C) level(D)degree(A)
7、line(B) layer(C) bottom(D)point(A)On(B) At(C) For(D)Through(A)more(B) none(C) various(D)less(A)seats(B) cabins(C) bodies(D)engines(A)produce(B) provide(C) maintain(D)improvePart ADirections: Read the following four texts. Answer the questions below each text by choosing A, B, C or D. (40 points)20 A
8、 hospital is an institution that provides medical services for a community. The doctors, nurses, and other personnel of a hospital work to restore health to sick and injured people. They also try to prevent disease and maintain health in the community. Some hospitals serve as centers for medical edu
9、cation and research. Most hospitals are short-term hospitals in which the majority of patients stay less than 30 days. Patients spend an average of 4 to 8 days in a short-term hospital. In long-term hospitals, most patients stay more than 30 days. People having their tonsils removed would go to a sh
10、ort-term hospital. Those with severe mental illnesses may stay in a long-term institution because of the time needed to treat their condition. A general hospital provides services for most people and illnesses. A special hospital cares for certain people or certain illnesses. For example, pediatric
11、hospitals treat only children. Rehabilitation hospitals provide services to help people adjust to mental and physical disabilities.A hospital may perform other services besides treating the sick. Research hospitals conduct medical research. Teaching hospitals educate future physicians, nurses, and l
12、aboratory specialists. A teaching hospital may form part of a university medical center, or it may be a general hospital associated with a medical school. In the professional services department, physicians play an important role and lead a large medical team working for the hospital. The medical te
13、am also includes physicians in training. These interns come from medical schools and work in a hospital for practical experience. The nursing staff forms the largest group in the patient care team. Professional nurses, generally called registered nurses, have graduated from a nursing school. They ca
14、rry out much of the patients care under the guidance of physicians. They also direct other members of the nursing staff, including practical nurses, nurses aides, and nurse attendants. These men and women do many tasks to train the registered nurses for work requiring the special skills. There are m
15、any other important departments in a hospital besides the professional services department. The hospital pharmacy provides medicines that physicians order for patients. The central service department maintains medical supplies. The food service department prepares meals for patients and staff member
16、s. The hospital laboratories conduct tests that help doctors diagnose and treat illnesses. The radiology department makes X rays to help physicians diagnose diseases and injuries. The medical records department keeps a record on every patient. If former patients return to the hospital, their medical
17、 record helps the physician diagnose and treat their illness. The admitting office schedules patients for admission at the request of their physician and assigns them to a room. And the business office lists each patients charges, prepares a bill, and records payments received.25 Our visit to the ex
18、cavation of a Roman fort on a hill near Coventry was of more than archaeological interest. The years dig had been a fruitful one and had assembled evidence of a permanent military camp much larger than had at first been conjectured. We were greeted on the site by a group of excavators, some of them
19、filling in a trench that had yielded an almost complete pot the day before, others enjoying the last-day luxury of a cigarette in the sun, but all happy to explain and talk about their work. If we had not already known it, nothing would have suggested that this was a party of prisoners from the near
20、by prison. This is not the first time that prison labor has been used in work of this kind, but here the experiment, now two years old, has proved outstandingly satisfactory.From the archaeologists point of view, prisoners provide a steady force of disciplined labor throughout the entire season, men
21、 to whom it is a serious days work, and not the rather carefree holiday job that it tends to be for the amateur archaeologist. Newcomers are comparatively few, and can soon be initiated by those already trained in the work. Prisoners may also be more accustomed to heavy work like shoveling and carti
22、ng soil than the majority of students. When Coventrys Keeper of Archaeology went to the prison to appeal for help, he was received cautiously by the men, but when the importance of the work was fully understood, far more volunteers were forthcoming than could actually be employed. When they got to w
23、ork on the site, and their efforts produced pottery and building foundations in what until last year had been an ordinary field, their enthusiasm grew till they would sometimes work through their lunch hour and tea break, and even carry on in the rain rather than sit it out in the hut. This was undo
24、ubtedly because the work was not only strenuous but absorbing, and called for considerable intelligence. The men worked always under professional supervision, but as the season went on they needed less guidance and knew when an expert should be summoned. Disciplinary problems were negligible: the me
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