【名词&注释】
天南星(dragon arum)、拔火罐(cupping)
[单选题]民间常用“拔火罐”来治疗某些疾病，方法是将点燃的纸片放入一个小罐内，当纸片燃烧完时，迅速将火罐开口端紧压在皮肤上，火罐就会紧紧地被“吸”在皮肤上。其原因是，当火罐内的气体
A. 温度不变时，体积减小，压强增大
B. 体积不变时，温度降低，压强减小
C. 压强不变时，温度降低，体积减小
D. 质量不变时，压强增大，体积减小
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举一反三：
[单选题]
A. Surely
B. Rather
C. Now
D. Indeed
[单选题]Women’s clothes still button from the left today because .
A. adopting men’s style. is improper for women
B. manufacturers should follow standards
C. modern women dress themselves
D. customs are hard to change
[单选题]
A. finding
B. accepting
C. looking for
D. pointing at
[单选题]Who couldthe man spesker most probably be?
A. A person who saw the accident.
B. the driver of the lorry.
C. A police officer.
[单选题]天南星有10～19片叶轮生于茎顶。( )
A. 正确
B. 错误
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