Questions 17 is based on the passage you have just heard.
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.
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Questions 18 is based on the passage you have just heard.
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.
Passage (20181202P3)[音频]Questions 22 is based on the passage you have just heard.
A. It is likely to remain a means of business communication.
B. It is likely to be a competitor of various messaging apps.
C. It will gradually be replaced by social media.
D. It will have to be governed by specific rules.
Questions 23 is based on the passage you have just heard.
A. Save the message in their file.
B. Make a timely response.
C. Examine the information carefully.
D. See if any action needs to be taken.
Questions 24 is based on the passage you have just heard.
A. It is to be passed on.
B. It is mostly junk.
C. It requires no reply.
D. It causes no concern.
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