单项选择题

Electrical _______ such as toasters or hair dryers are designed to take advantage of the ability of an electric current to heat a fire.

A．devices
B．appliances
C．apparatus
D．instruments
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单项选择题
In the passage the author's attitude towards mixed-ability teaching is_______.
A．approving
B．critical
C．interested
D．objective
单项选择题
Team work can help the pupils learn to_______.
A．educate others
B．be capable organizers
C．participate in teaching activities
D．develop their intelligence
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