48. According to Paragraph 1,why does the author scratch his head?

• A、Because he doesn' t know what to do once schools are closed.

• B、Because he is not sure about the practicability of those new tests.

• C、Because he is concerned that many teachers will lose their jobs.

• D、Because he is not in favor of the government' s reform efforts.

23.    

• A、miss

• B、reduce

• C、increase

• D、
  lose
  
  

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