题目内容

Before the new study, a lot was known about the risks of getting directly infected by common respiratory viruses, such as the flu or common cold, on an airplane.

A. True
B. False

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The research team flew on 100 different flights in the U.S. during the flu seasonin order to evaluate the risks of infection.

A. True
B. False

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Passengers sitting within two seats on either side of a person infected with the flu, as well as those sitting one row in front of or behind this individual, had about a 3 percent chance ofcatching the flu.

A. True
B. False

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[音频]passage listening 13:46

A. They have little talent for learning math.
B. They need medical help for math anxiety.
C. They need extra help to catch up in the math class.
D. They have strong negative emotions towards math.

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listening mp3

A. It will gradually pass away without teachers' help.
B. It affects low performing children only
C. It is related to a child's low intelligence.
D. It existes mostly among children from poor families.

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Before the new study, a lot was known about the risks of getting directly infected by common respiratory viruses, such as the flu or common cold, on an airplane.

A. True B. False

The research team flew on 100 different flights in the U.S. during the flu seasonin order to evaluate the risks of infection.

Passengers sitting within two seats on either side of a person infected with the flu, as well as those sitting one row in front of or behind this individual, had about a 3 percent chance ofcatching the flu.

[音频]passage listening 13:46

listening mp3

A. True
B. False