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1、高中英语阅读懂得专题训练每篇5 小题 ）（ 广东专版6 套）（第第一节：阅读懂得（共15 小题；每道题2 分，满分 30 分）A 、B、C 和 D 项中，选出正确选项，并在答题卡上将该阅读以下短文，从每题所给的项涂黑；A （ words:332&211 ）Microwaves may be great at warming up food, but what about warming people.Using microwaves to directly heat owners of a room would save much of the energy wastedby heating
2、walls and furniture. And despite popular ideas about microwaves, this technique wouldbe safe, according to Charles R. Burlier of the Microwave Research Center in Marlborough, NewHampshire.Low-powermicrowavesonlypenetrate (贯穿 ) the skin(low-powermicrowavepenetration in a ham is about 0.2 inches, for
3、example) and with no negative effects.To test this idea, Buffler subjected himself to microwaves in a special room using a standard500-watt, 2459 MHzmagnetron (磁控管 ). He found that a person willstart to feel warmth atabout 20 milliwatts per square centimeter (mw. / sq. cm. ) ; a satisfactory feeling
4、 of warmth occursbetween 35 and 50mw. / sq. cm. By comparison, a person standing in noonday summer sun feelsthe amount of 85 mw. / sq. cm. And a frozen meat pie in yourmicrowave oven receives about1000 mw. / sq. cm.In houses of the future, each room could be provided with its own magnetron, says Buf
5、fler.When you stepped into the living room, for example, a motion detector (运动感应器 )would turnonthe magnetron,fillingthe roomwithlow-powermicrowaves.Inthesame waythat amicrowave oven heats up a hamburger, but not the plate its on, you would feel warmth from themicrowaves without changing the temperat
6、ure ofyour coffee table. (You could, however,makeyourfavoriteeasy chaireven morecomfortablebytreatingitwitharadiation-absorbingchemical.)1While it might be some time before homeowners are comfortable enough with the idea to setup whole-body microwave heaters in houses, Buffler says microwaves may at
7、tract livestock(家畜 )farmers. Lambs thatare born outdoors inwinter,for example,are frequentlylosttocold.Microwaves could warm the lambs safely and quickly.41. Which of the following can tell the main idea of the passage.A. A new heating system.B. A new microwave oven.C. A popular technique.D. The mag
8、netron.42. According to Paragraph 2, which of the following does not describe the characteristics of amicrowave heater.A. It directly heats people in a room.B. It heats walls and furniture in a room.C. It is safe.D. It saves energy43. The test conducted by Buffler shows that when a person feels comf
9、ortable warmth, he receivesabout .A. 20 mw. / sq. cm.B. 40 mw. / sq. cm.C. 60 mw. / sq. cm.D. 85 mw. / sq. cm.44. According to Paragraph 4, which of the following fills the room with low-power microwaves.A. The magnetron.B. The motion detector.C. The microwave oven.D. The radiation-absorbing chemica
10、l.45. Whichof the followingstatements about microwaveheaters would Bufflermost probablyagree with.A. Microwave heaters will soon be widely used by homeowners.B. Microwave heaters sometimes make people feel uncomfortable.2C. Perhaps microwaveheaters will be first used by livestock farmers, who wish t
11、o protecttheir lambs in winter.D. Microwave heaters cannot be accepted by the public because they are somewhat unsafe.41 45 ABBAC【答案与解析】本文是一篇说明文，谈及微波炉可以使人温和，人们不必铺张能量给墙壁和家具加热；微波直接进入人的皮肤使人温和，既安全又省能源；在将来，微波炉或许仍有其它的用途；41. A ；细节懂得题；文章其次自然段说明微波炉可以使人温和，不必铺张能量给墙壁和家具加热；42. B ；细节懂得题；文章其次自然段说明微波直接进入人的皮肤使人温和，既安
12、全又省能源；43. B ；细节懂得题；从“a satisfactory feeling of warmth occurs between 35 and 50mw./sq. cm.”可知；44. A从第四自然段a motion detector would turn on the magnetron可知答案为A ；45. C；主旨大意题；最终一自然段示意了答案；B（ words:354&207 ）In Europe, people hold the fork in the left hand and the knife in the right throughout the meal,a sys
13、tem that is generally agreed to be more efficient than the American zigzag （曲折的） method.Americans hold both the fork and the knifein their righthands throughout the meal, so theycontinually change their forks to the left hand when they have to cut their meat. It seems to befunny for the Europeans to
14、 see Americans busy changing their dinner sets, making a lot of noises.A few explanations for this American style are as follows:(1) Americans are practical and efficient. Since most of us are right-handed, it is reasonable tokeep our working tools at all times in the right hand that can use them mo
15、st efficiently.(2) Americans, the master of the New World are rebels （叛逆者） .They use the zigzag methodto break the rules in the Old World and inthis way they are thumbingtheir nose at MotherEngland. Americansare a restless kind. Theydo not like to sit in one spot for very long when3dining.(3) Forced to do so, they respond by“ playing ” with the silver.Whatever the reason for the practice, it is now certainly as American as apple pie. Europeansrecognize thi
