单项选择题

Questions 8 to 10 are based on the following news from the VOA. At the end of the news item, you will be given 10 seconds to answer each question. Now listen to the news. The special growing containers are expected to be used mostly for ______ space travel.

A．short distance
B．long distance
C．all kinds of
D．both A and B
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单项选择题
What is one thing the members of the co - up must do
A．Avoid junk food.
B．Attend monthly meetings.
C．Buy cleaning supplies at the co - up.
D．Work at the co - up.
单项选择题
The scientists at the Kennedy Space center laboratory have been able to produce small kinds of ______.
A．wheat, soybeans, carrot and lettuce
B．soybeans, tomatoes, carrot and wheat
C．white potatoes, carrot, lettuce and soybeans
D．wheat, soybeans; lettuce and white potatoes
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