单项选择题

Questions 19-22

A. With a knife.
B. On the edge of some metal.
C. On some glass.
D. On a piece of paper.
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单项选择题
A. She’s waiting for her father. B. She’s having her bicycle repaired.C. She wanted to surprise John. D. She works there.
A. She’s waiting for her father.
B. She’s having her bicycle repaired.
C. She wanted to surprise John.
D. She works there.
单项选择题
A. The advantages of traditional surveying methods. B. Using satellites to communicate with mountain climbers. C. Obtaining new information about a mountain. D. Controlling satellites from the top of a mountain.
A. The advantages of traditional surveying methods.
B. Using satellites to communicate with mountain climbers.
C. Obtaining new information about a mountain.
D. Controlling satellites from the top of a mountain.
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