What is in great demand in factories?
A. Diamonds.
B. Diamond dust.
C. Big diamond stones.
D. Hard steel.
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Which of the following is true in describing the black walnut tree?
A. The black walnut tree is valued for its nuts.
B. The black walnut tree is famous for its size.
C. Every walnut tree is highly valuable and profitable.
D. A single black walnut tree was once sold for $11,000.
What sort of restaurant is the woman looking for?
A. One that is relatively inexpensive.
B. One that is not very crowded.
C. One that offers large servings.
D. One that is situated close to her hotel.
听力原文:W: Bob, I' m sorry to be late. Thanks for waiting.
M: Oh, I didn' t mind. I' ve only been here fifty minutes. You said that you might be as much as an hour late, so I just bought my newspaper and ordered myself a cup of coffee.
How long has the man been waiting?
A. For five minutes.
B. For fifty minutes.
C. For an hour.
D. For fifteen minutes.
Which of the following item was NOT mentioned about the restaurant?
A. The price.
B. The service.
C. The interior design.
D. The service.