单项选择题

A．Visits to museums.B．Visits to space camps.C．Visits to……

Which of the following is NOT included in the present space tourism

A．Visits to museums.
B．Visits to space camps.
C．Visits to rocket-launch recovery sites.
D．Low-gravity aircraft trips.

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单项选择题According to the passage, which of the following statements is NOT true

A．Edwin "Buzz" Aldrin walked on the moon 30 years ago.
B．Apollo program was a bold program.
C．Edwin "Buzz" Aldrin walked on the Mars 10 years ago.
D．Edwin "Buzz" Aldrin is an astronaut of America.

单项选择题Which of the following would be the best title for the passage

A．Space--the Mysterious Space.
B．Space Tom Conference.
C．Edwin "Buzz" Aldrin-the Space Hero.
D．Space Tours Not Faraway.

单项选择题Which of the following can be inferred from the passage

A．Edwin "Buzz" Aldiin is a mad man.
B．Space travel was once considered impossible and crazy.
C．Hartmut Muller is the president of German-based Space Tours.
D．Edwin "Buzz" Aldrin and Hartmut Muller are good friends.

单项选择题The underlined word steep (Para. 9 ) can best be replaced by ______.

A．slopy
B．inexpensive
C．wide
D．unduly high

单项选择题When the child begins to suffer the consequences of his early mistakes, we should ______.

A．help him correct the mistakes
B．punish him for the wrongdoing
C．leave him alone to work out the problem
D．teach ourselves to understand their mistakes