单项选择题

A．People who feel bad spent more time on the Internet.
B．Using internet can cause depression and loneliness.
C．Internet use can improve psychological well-being.
D．Surfing Net for a few hours a week cannot cause bad feelings.
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单项选择题
A．His sewing machine is the first one in the world.B．His friend told him how to make a good sewing machine.C．It was the need for money that caused him to make a sewing machine.D．He made his sewing machine in eleven weeks.
A．His sewing machine is the first one in the world.
B．His friend told him how to make a good sewing machine.
C．It was the need for money that caused him to make a sewing machine.
D．He made his sewing machine in eleven weeks.
单项选择题
A．She is having dinner.B．She is waiting for a telephone call.C．She is listening to music.D．She is cooking dinner.
A．She is having dinner.
B．She is waiting for a telephone call.
C．She is listening to music.
D．She is cooking dinner.
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