单项选择题

A．It helps improve their safety.
B．It allows them to swim faster.
C．It helps them fight their predators.
D．It allows them to avoid twists and turns.
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单项选择题
A．Young people usually think that old ways are not acceptable.B．The American girl can’’t accept wearing a red dress at her wedding.C．The American girl likes the Chinese customs except wearing a red dress at her wedding.D．Her daughter will agree to wear the red wedding dress if her grandmother comes to persuade her.
A．Young people usually think that old ways are not acceptable.
B．The American girl can’’t accept wearing a red dress at her wedding.
C．The American girl likes the Chinese customs except wearing a red dress at her wedding.
D．Her daughter will agree to wear the red wedding dress if her grandmother comes to persuade her.
单项选择题
A．In the classroom.B．At the library.C．At the reading-room.D．In the front of a computer.
A．In the classroom.
B．At the library.
C．At the reading-room.
D．In the front of a computer.
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