单项选择题


Questions 22 to 25 are based on the conversation you have just heard.

A．A pen.
B．A school bag.
C．A book.
D．A pencil.
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单项选择题
A．By forcing them farming.B．By ’affecting the quality of soils.C．By adding chemicals and pollute the waterways.D．By affecting the environments they live in.
A．By forcing them farming.
B．By ’affecting the quality of soils.
C．By adding chemicals and pollute the waterways.
D．By affecting the environments they live in.
填空题
The shopper gets rid of the wrapper immediately because ______.
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