单项选择题

How was garbage usually disposed of during the eighteenth century

A．All the garbage was burned.
B．All the garbage was thrown into the river directly.
C．Most of garbage was recycled.
D．Garbage was transported to a remote dumpsite.

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单项选择题

It can be inferred from the passage that______.

A．people in the future will live far from the dumpsite
B．the garbage will become less and less
C．the recycling program is the only solution to waste disposal
D．strict regulation of waste disposal will be needed

单项选择题

The main idea of the passage is that______.

A．new approaches are found to solve the garbage problem
B．garbage disposal becomes a growing problem with limited solutions
C．garbage pollution is becoming more and more serious
D．recycling is an effective way to handle the waste