The process of the gaining or losing weight can be explained by comparing your body to your car. Both run____56__fuel,food for your body and gasoline for your car. Both___57__that fuel. first into heat ,then energy, some of____58___is used to do work, and some emitted as waste, and____59__your car uses more energy when the engine is racing than when it is idling, ____60____does your body use more energy when you are working hard than______61___you are resting.

　　For the purpose of this comparison,______62_____,there is one significant difference between them. Your car cannot store fuel by turning it into_____63____else; all gasoline not _____64______remains as gasoline. But your body stores____65______energy as fat. When the gas lank is ____66____empty,the car won’t run; but your body can burn fat to Provide more energy. Therefore ,if you want to gain weight ,you must do ___ of two things: eat more calories (units of heat, therefore ), or use less through ___ .if you want to lose weight, you do the ___ : decrease your intake of calories or increase the amount of energy you spend. There is ___ way .gaining or losing weight is always a relation between intake and output of potential energy.

　　56.A.in B. on C. for D. against

　　57.A.convert B. use C. spend D. burn

　　58.A. what B. which C. it D. them

　　59.A.whereas B. although C. just because D just as

　　60.A.as B. so C. way D. how

　　61.A. that B. since C. when D. where

　　62.A.however B. therefore C. moreover D. likewise

　　63.A. everything B. nothing C. something D. anything

　　64.A.filled B. wasted C. saved D. consumed

　　65 A. useless B. enough C. excess D. extensive

　　66 A. half B .completely. C. almost D. hardly

　　67.A.any B. both C. either D. neither

　　68.A. inactivity B. inattention C. eyeing D. jogging

　　69. A. reverse B. relevant C. different D. same

　　70.A.not any B. no other C. another D. some

　　Part V Error Detection (10 minutes,5 points)

　　Directions : in this part, there are 10 sentences Each sentence has 4 underlined words

　　or phrases marked A.B.C. and D. identify the one underlined word or phrase that must

　　be changed in order for the sentence .Mark the corresponding letter with a single bar

　　across the square brackets on your machine-scoring ANSWER SHEET.

　　71. It is becoming far less common than it was used to he for children to follow in their

　　A B C

　　fathers’ foot steps.

　　D

　　72. No matter poor one may be ,one can always find something to be thankful for.

　　A B C D

　　73. At no time in the history of mankind women have greater opportunities for

　　A B C

　　following careers than they have now.

　　D

　　74.Admirers of American ballet has claimed that its stars can dance as well as or

　　A B C

　　even better than the best of the Russian artists.

　　D

　　75.Scientists created a brainy, four-legged robot resemble a starfish that can

　　A B

　　sense damage to its body, and think up a way to recover.