单项选择题

By turning this knob to the right you can（） the sound from the radio.

A．intensify
B．amplify
C．enlarge
D．reinforce

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单项选择题

One of the attractive features of the course was the way the practical work had been（）with the theoretical aspects of the subject.

A．embedded
B．embraced
C．integrated
D．synthesized

单项选择题

Lighting can be used not only to create an atmosphere, but also to（）features of the house, such as ornaments or pictures.

A．highlight
B．underline
C．activate
D．upgrade

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