单项选择题

Questions 8 to 10 are based on the following news from the VOA. At tile end of the news item ,you will be given 10 seconds to answer each question. Now listen to the news How has Weihenmeyer climbed mountains

A．He has climbed mountains using a stick.
B．He has climbed mountains riding a home.
C．He has climbed mountains supported by a guider.
D．He has climbed mountains using a system be devised himself.
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单项选择题
According to the passage, in the competition for scientific leadership, ______.
A．applied research is of the greatest significance
B．basic research is of the greatest significance
C．research in high-energy physics is of the greatest significance
D．research in high-tech fields is of the greatest significance
单项选择题
Which list of plants does Linda mention in her garden’
A．Tomatoes, beets, egg plant, and squash.
B．Strawberries, green peppers, okra, and tomatillos.
C．Basil, onions, cantaloupe, and banana peppers.
D．Carrots, cucumbers, pumpkins, potatoes.
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