_云南成考网

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.

60（）

What does the underlined word "case" in Paragraph 3 refer to?

• A、Container

• B、Evidence

• C、Problem

• D、Product