A．They may crash because of nature disasters or human faults.B．The world's weather con
A. They may crash because of nature disasters or human faults.
B. The world's weather conditions are getting worse.
C. The airport safety inspections are getting worse.
D. Airplanes are often overloaded nowadays.
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The writer was happy when he reached Moshi because ______.
A. he had had no trouble so far
B. dawn was breaking and it would be easier to drive in daylight
C. he was hungry and could have breakfast in Moshi
D. the roads leading to the border were all flat
They______on a trip into the desert in the following year.
A. set in
B. sent for
C. set off
D. sent off
A．He fed the dog happily.B．He picked up the dog by the tips of its ears.C．He sat in a
A. He fed the dog happily.
B. He picked up the dog by the tips of its ears.
C. He sat in a chair with the dog dangling beside him.
D. He made people laugh by kissing the dog's ears.
Why do plastics antiques bring a shock to most people'？
A. Because they are very fragile and hard to maintain.
Because they might cause certain pollution to environment.
C. Because plastics is so common and easy to find around people.
D. Because people don't take plastics seriously.
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