单项选择题

Passage One
Questions 26 to 28 are based on the passage you have just heard.

A．150 healthy people.
B．150 unhealthy people.
C．300 patients.
D．300 people.
<上一题 目录 下一题>
热门 试题

填空题
More and more companies are joining in the support of limiting carbon dioxide emission because they are increasingly concerned about the harmful effect on environment and climate change.
单项选择题
A．Work.B．Food.C．Social status.D．Age.
A．Work.
B．Food.
C．Social status.
D．Age.
相关试题