How did scientists determine the age of the universe？
A. By observing the movement of the oldest stars in the universe.
By studying the orbit of the sun.
C. By fixing the age of the oldest stars in the Galaxy.
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A．A videotape.B．A book.C．A picture.D．An oxygen tank.
A videotape.
B. A book.
C. A picture.
D. An oxygen tank.
What does the man imply about Janet？
A. She won't be able to come.
B. She's not going to graduate.
C. She has a week to go to work.
The hotel Terry stayed at can be described as ______.
A. roomy and comfortable
B. decent but expensive
C. cheap and comfortable
Terry's impression of New York would be ______.
A. orderliness
B. creativeness
C. tightness
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