单项选择题

Questions 11 to 18 are based on the conversation you have just heard. 您的浏览器不支持 audio 元素。

A.Customer and assistant.
B.Father and daughter.
C.Dentist and patient.
D.Teacher and student.
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单项选择题
According to the passage, research into the influence of climate and geography should ______.
A.focus on unknown aspects
B.be pursued on a larger scale
C.be carried out among remote tribes
D.go ahead in depth
单项选择题
Which of the following generalizations of people's type is true
A.People who like drinking wine tend to be optimistic.
B.People who live in mountain areas tend to have a long life.
C.People who live in areas with stable climate tend to be talkative and lively.
D.People who like drinking cow blood tend to be strong and tall.
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