What may the tea Ikarians drink daily help?

• A、To improve metabolism.

• B、To lower blood pressure.

• C、To lower life stress.

• D、To improve social relationships.

59（）

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.