题目内容

34 What does Werner J.A.Dahm say about the Hyper-X test flight?
A It was unsuccessful because it lasted only 11 seconds.
B It is a very important event in developing very fast airplanes.
C,It allows people to fly at an altitude of 100,000 feet.
D It can transport cargo quickly and cheaply to outer space.

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1 Why can't you stop your eternal complaining?
A long
B everlasting
C temporary
D boring

65 A another B each C other D every

33 Which of the following is NOT true of the scramjet engine?
A It has been used on passenger planes.
B The air it breathes does not put out the combustion flames.
C It works at speeds greater than five times the speed of sound.
D It goes as fast as a rocket.

38 How did the author feel upon first hearing what the excited wife said?
A She was amused.
B She was doubtful.
C She was scared.
D She was shocked

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