单项选择题

Questions 24～25 are based on the talk you’ve just heard. At what height above sea level are low clouds found

A．Less than 6,000 feet above sea level.
B．Less than 1,800 feet above sea level.
C．More than 6,000 feet above sea level.
D．More than 1,800 feet above sea level.

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单项选择题

Chris thinks the best pupils are ______.

A．adults
B．young children
C．adults around 18
D．children of 10 upwards

单项选择题

A．hardlyB．nearlyC．certainlyD．somehow

A．hardly
B．nearly
C．certainly
D．somehow

Questions 24～25 are based on the talk you’ve just heard. At what height above sea level are low clouds found 您的浏览器不支持 audio 元素。

Questions 24～25 are based on the talk you’ve just heard. At what height above sea level are low clouds found