单项选择题

Which of the following can be best used as the title of the passage

A．Some Good News About the Ozone
B．The Montreal Protocol
C．The Ozone and CFC
D．CFC and Methyl Bromide
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单项选择题
A．He had a strange accent.B．His accent was difficult to understand.C．He had a strong Italian accent.D．His accent was easy to understand.
A．He had a strange accent.
B．His accent was difficult to understand.
C．He had a strong Italian accent.
D．His accent was easy to understand.
单项选择题
A．She is afraid of oversleeping.B．She doesn’t need to buy anything.C．She needs to prepare for an exam.D．She doesn’t like the mall.
A．She is afraid of oversleeping.
B．She doesn’t need to buy anything.
C．She needs to prepare for an exam.
D．She doesn’t like the mall.
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