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PETS三级全真模拟题三(二)

  section Ⅱ use of english

  (15 minutes)

  directions:

  read the following text. choose the best word or phrase for each numbered blank and mark a, b,c, or don your answer sheet 1.

  text

  in some ways, the human body is both like a furnace and like an engine. it must have fuel to produce heat as a furnace 26 . it must have fuel to produce motion and do 27 as an engine does. the nutrients (营养物) which 28 energy best are carbohydrates (碳水化合物) and fats. protein can also be used as fuel. minerals, vitamins, and water, 29 extremely valuable to the body, cannot be used as fuel.

  if the body takes in more carbohydrates 30 are used for energy, the 31 is stored. two storage places are the liver (肝) and muscles. there is a 32 , however, to the amount of carbohydrates they can 33 . when they are filled and they always 34 be for you to feel your best, excess carbohydrates are changed to fat and 35 around the body.

  if the body does not take 36 a sufficient amount of food, it will use its stored fat for energy. if you 37 at all, the body would use up all the stored fats and 38 it would use its own protein in order to keep 39 as long as possible. therefore, the 40 amount of food you eat should be in 41 with your energy requirements. it is not necessary, 42 , for you to go 43 counting calories (卡路里l) and weighing food. if a person is the 44 weight, it is safe to 45 that he is eating enough.

  26. has needs does is

  27. job function behaviour work

  28. present offer supply grant

  29. as since when while

  30. than such which that

  31. access excess assess extra

  32. restriction barrier limit terminal

  33. fill hold involve press

  34. might would could should

  35 . extended distributed separated stretched

  36. in up on down

  37. won 'teat mustn't eat did not eat have not eaten

  38. when but because then

  39. alike alive asleep awake

  40. general overall usual total

  41. contact accordance contrast line

  42. anyhow otherwise moreover however

  43. around away after against

  44. exact same right accurate

  45. imagine remind recommend suppose