单项选择题


A．Attracted
B．Surprised
C．Delighted
D．Enjoyed
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单项选择题
A．onB．in turnC．by turnsD．further
A．on
B．in turn
C．by turns
D．further
单项选择题
The passage is mainly about ______.
A．attempts to find efficient ways of recycling wastes
B．efforts to protect the environment in British cities
C．a good way to locate plants for waste recycling
D．a cheap way to get energy from waste materials
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