2018年12月四级真题(第二套)

Questions 16 to 18 are based on the passage you have just heard.

Directions:In this section, you will hear three passages. At the end of each passage, you will hear three or four questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A, B, C and D). Then mark the corresponding letter on Answer Sheet 1 with a single line through the centre.
    16.
  • A Rewarding them for eating vegetables.
  • B Exposing them to vegetables repeatedly.
  • C Improving the taste of vegetable dishes for them.
  • D Explaining the benefits of eating vegetables to them.
    17.
  • A They were disliked most by children.
  • B They were considered most nutritious.
  • C They were least used in Belgian cooking.
  • D They were essential to children's health.
    18.
  • A Vegetables differ in their nutritional value.
  • B Children's eating habits can be changed.
  • C Parents watch closely what children eat.
  • D Children's choices of food vary greatly.