【正文】 should be made ________. 10 A) to investigate possible influences on brain development and anization B) to study, how children learn to read and write, and use numbers C) to help learning disabled children to develop their intelligence D) to explore how the left side of the brain functions in language learning Passage Five Visual impairment(視覺障礙 ) carries with it a reduced or restricted ability to travel through one39。s ability to travel through his physical and social environment? 11 A) By helping him develop adequate orientation and mobility skills. B) By teaching him to learn observational skills. C) By warning him of hazardous situations or obstacles. D) By improving his visual ability. 57. The visually impaired person39。t been able to do anything about it. Most blood pressure drugs provide 18 to 20 hours of relief. But because they39。ve gone through the worst four hours of the day with no protection ,” Bedtime dosing would prevent that lapse ,but it would also push blood Pressure to dangerously low levels during the night. 61 . According to the passage, how do human bodies maintain balance? A) They adjust themselves timely in line with their Physical conditions . B) People increase or lower the body temperature by sweating. C) People39。t understand directions, for we made a wrong turn and found us lost, A B C confused as to which way we should go. D 2. It is indeed hard to overestimate the value of language in munication, but A B it is even hard to overestimate its value in thinking. C D 3. (Written English) has bee more (importantly) in (business English),(with) the A B C D invention of the fax and the puter. 4. When a post office handles (large quantities) of mail daily, it is essential that A mechanical methods (are used)(to maintain) production and insure (prompt) delivery B C D of the mails. 5. Vincent Van Gogh killed (himself) when he was only 37, but he (left behind) him A B more than 2022 paintings and drawings, (that) established his reputation in a way C he (would never have considered) possible 16 D 6. Perhaps (surprisingly) the (main) obstacles to (realiz。 most countries have a style of their turn of the century when jazz(爵士樂 )was born, America had no prominent__67 __of its own. No one knows exactly when jazz was__ 68__, or by whom., but it began to be__69__in the early 1900s. Jazz is America39。re least effective when most needed. “You take your pill at 7and it39。s physical and social environment. C) Mental development of the visually impaired person. D) Orientation and mobility of the visually impaired person. Passage Six Our bodies are wonderfully skilful at maintaining balance. When the temperature jumps, we sweat to cool down. When our blood pressure falls, our hearts pound to pensate. As it turned out, though, our natural state is not a steady one .Researchers are finding that everything from blood pressure to brain function varies rhythmically with the cycles of sun, moon and seasons. 12 And their insights are yielding new strategies for keeping sway such mon killers as heart disease and cancer. Only one doctor in 20 has a good knowledge of the growing field of “chronotherapeutics,” the strategic use of time (chronos) in medicine. But according to a new American Medical Association poll, three out of four are eager to change that “The field is exploding, says Michael Smolensky. “Doctors used to look at us like, ?What spaceship did you guys get off ?? Now they?re thirsty to know more. In medical school, most doctors learn that people with chronic conditions should take their medicine at steady rates. “It39。s surroundings and to the relationship between self and that environment. The mental map is best generated by moving through the environment and piecing together relationships, object by object, in an anized approach. With little or no visual feedback to reinforce this mental map, a visually impaired person must rely on memory for key landmarks and other clues. Landmarks and clues enable visually impaired persons to affirm their position in Space. Mobility, on the other hand, is the ability to travel safely and efficiently from one point to another within one39。s population. The average rich world resident adds about tons of CO2 yearly to the atmosphere, more than four times the level added by each Third World citizen. The US, with just seven per cent of the global population, is responsible for 22 per cent of global warming. 46.”Feedback mechanisms” in paragraph 1 most probably refer to ________. A) how plants and animals adapt to hidden factors B) how plants and animals interact with the changing climate C) how climate changes D) how climate zones shift 47. James Hansen predicts that the shift of climate zones will be acpanied by ________. A) the cutting of many trees. B) desirable environmental changes. C) successful migration of species. D) unsuccessful migration of trees. 48. We can learn from the passage that ________. A) some feedback mechanisms may slow down global warming B) the basic facts of global warming are unknown C) developing countries benefit from cheap fossil fuels D) developed countries have decided to reduce their energy consumption 8 49. It can be inferred from the passage that ________. A) the developing world has decided to increase its energy consumption B) a thirdworld citizen adds less than a ton of CO2 yearly to the atmosphere C) the world climate would soon gain its balance if we stopped greenhouse gas emissions D) future prosperity of the world is dependent on cheap fossil fuels 50. Which of the following is the main topic of the passage? A) Material progress and energy consumption. B) Prosperity and cheap fossil fuels. C) Impact of global warming on climate. D)