单项选择题

A．Enforcing laws controlling navigation, shipping, immigration and fishing.
B．Enforcing laws affecting the privately - owned boats in the U. S.
C．Searching for missing boats and rescuing people.
D．Training people to good swimmers along the beach.
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单项选择题
A．People in Bangkok are interested in mobile phones nowadays.B．There are about 65 million in Thailand and most people live in Bangkok.C．Thai people eat more bread and more noodles than rice nowadays.D．Thai people like to watch football and they also like to play badminton.
A．People in Bangkok are interested in mobile phones nowadays.
B．There are about 65 million in Thailand and most people live in Bangkok.
C．Thai people eat more bread and more noodles than rice nowadays.
D．Thai people like to watch football and they also like to play badminton.
单项选择题
A．There are so many people in London.B．The traffic is really busy in London.C．It is dirty and noisy in London.D．The weather is not good in London.
A．There are so many people in London.
B．The traffic is really busy in London.
C．It is dirty and noisy in London.
D．The weather is not good in London.
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