How do the Japanese greet each other?
A. by making eye contact for a long time
B. by bowing to greet each other
C. by giving a firm handshake to each other
D. by hugging each other
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What kind of music does Mary like best?
A. Pop music
B. Rock music
Classical music
D. Rap music
Direction ：After you watch the video, decide whether the following statements are true or false.(本部分从2分14秒开始，8分22秒结束）People often sucked in lips when dealing with negative situations or emotions.
A. T
B. F
What diseases can obesity lead to?
A. Hypertension
B. Diabetes
Cancer
D. All of the above
Which of the following may reflect the severity of the problem of obesity in the United States?
A. Nearly 32% of all American are obese.
B. Over two thirds of American adults are obese.
C. The number of overweight and obese adults has been on a steady rise over the years among both genders and all ages.
D. The percentage of obese children and adolescents has more than tripled since the early 1970s.
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