单项选择题

Questions 9 and 10 are based on the following news. At the end of the news item, you will be given 20 seconds to answer the questions.
Now listen to the news. Personal hygiene enhancers include the following EXCEPT______.

A．washing hands with soap and water
B．using alcohol-based hand cleaners
C．wearing masks whenever possible
D．washing hands regularly
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单项选择题
According to Mr. Smith, his social life______.
A．is organized outside of his field of work
B．is often established upon work collaborations
C．is rather confined to his own family
D．is indeed humdrum because he is completely on his own
单项选择题
Which of following is NOT mentioned in terms of imposing economic sanctions on Iran
A．The U.S.
B．The U.N.
C．The European Union.
D．NATO.
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