It’s the first time that he has been to Australia, _______  ? 

A. isn’t he          B. hasn’t he         C. isn’t it      D. hasn’t it

The World Health Organization gave a warning to the public without any ______when the virus of H1N1 hit Mexico in April, 2009. 

A. delay              B. effort              C. schedule          D. consideration

You have been sitting on my hat and now it is badly out of______。

A．date               B．shape

C．order              D．balanee

Either you or one of your students ______ to attend the meeting that is due tomorrow.

A. are              B. is                   C. have                         D. be

The faces of four famous American presidents on Mount Rushmore can be seen from a ____ of 60 miles.

A. length          B. distance        C. way          D. space

—She got her first science fiction published．It turned out to be _________.

—when was that?

—It Was in 2008__________ she was still in college．

A. success; that     B. a success；when      C. success; when D. a success; that

China has got a good          for fighting against the flu with its careful and smooth organization.

A. reputation       B. influence       C. impression       D. knowledge

While he was investigating ways to improve the telescope Newton made _______discovery which completely changed ____ man’s understanding of color.

a ,/     B. a ,the     C. /, the     D. the ,a

¾What do you remember Alexander Graham Bell as?

  ¾As ______ inventor of ______ telephone.      

A. an; /            B. the; a           C. the; the         D. /; the

People think that ______ opening ceremony of the 29^th Olympic Games is _____ great success.

A. an; a     B. the ; a     C. the ;the     D. the ; /