赞题库-背景图

单项选择题

Questions 11 to 18 are based on the conversation yon have just heard.

A．4 hours.
B．6 hours.
C．12 hours.
D．18 hours.

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热门试题

单项选择题By saying the growth of the proportion...to younger generations. (Line 2, Para. 5), Anthea Tinker really means that ______.

A．currently wealth flows from old generation to younger generation
B．traditionally wealth flows from younger generation to old generation
C．with the increasingly big population of over 50, die trend arises that wealth flows from younger generation to old generation
D．with more and more people of over 50, traditions have been reversed

单项选择题The first paragraph is intended to______.

A．suggest that self-medication has a long history
B．define what diagnosis means exactly
C．praise doctors for their expertise
D．tell the symptoms from the causes