单项选择题

A．They were frightened and distressed.
B．They swam away when the speaker was turned on.
C．They swam closer to "examine" the speaker when it was turned off.
D．They didn’t seem to be frightened and kept swimming near the speaker.
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单项选择题
A．It is as important as that from books.B．It is less important than that from books.C．It is more important than that from books.D．It is too limited.
A．It is as important as that from books.
B．It is less important than that from books.
C．It is more important than that from books.
D．It is too limited.
单项选择题
A．People, regardless of their age, are crazy about video games.B．Those over 15 can use the machines during the day in most countries.C．Schoolchildren in uniforms are not allowed into amusement centers in many countries.D．Youngsters are not prohibited to use video game machines placed in amusement centers.
A．People, regardless of their age, are crazy about video games.
B．Those over 15 can use the machines during the day in most countries.
C．Schoolchildren in uniforms are not allowed into amusement centers in many countries.
D．Youngsters are not prohibited to use video game machines placed in amusement centers.
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