In this section，you will hear 3 short passages. At the end of each
passage，you will hear some 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.
Passage One Questions 26 to 29 are based on the passage you have just heard.
A．They do not know what to learn. B．They are too young to concentrate their attention for a long time. C．They are occupied with learning. D．They set up the sound foundation for their future studies.