单项选择

• 1、

  The research team needs to confer with the directo

• 2、

  We have to ask them to quit talking in order that

• 3、

  Throughout most of their lives, human beings perpe

• 4、

  Herbal medicine (草药) can be used to cure sleepless

• 5、

  What makes a mayor successful in Los Angeles is th

• 6、

  It's tough finding a job these days（　）.

• 7、

  In the Mesozoic period, the upward thrust of great

• 8、

  It took me a whole hour to solve the problem.（　）

• 9、

  The recycling of aluminum conserves ninety-five pe

• 10、

  She always finds fault with everything（　）

• 11、

  I reserve the right to disagree.（　）

• 12、

  The ice is not thick enough to bear the weight of

• 13、

  The sea turtle's natural habitat has been consider

• 14、

  She shows little regard for the feelings of others

• 15、

  The attack on Fort Sumter near Charleston provoked