(25 minutes)

 

   

 

    Section A

 

   

 

    Directions: In this section, there is a passage with ten blanks. You are required to select one word for each blank from a list of choices given in a word bank following the passage. Read the passage through carefully before making your choices. Each choice in the bank is identified by a letter. Please mark the corresponding letter for each item on Answer Sheet 2 with a single line through the centre. You may not use any of the words in the bank more than once.

 

   

 

    Questions 47 to 56 are based on the following passage.

 

   

 

    The popular notion that older people need less sleep than younger adults is a myth, scientists said yesterday.

 

   

 

    While elderly people   4７   to sleep for fewer hours than they did when they were younger, this has a（n）   48   effect on t