单项选择题

The clay excavation is______.

A．half a mile underground
B．several miles from Pads, Tennessee
C．worked by miners in shafts several hundred feet down
D．not far from the Kitty Litter plant

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热门试题

单项选择题

The author's purpose in writing this passage is to______.

A．explain how Kitty Litter is produced
B．describe the Mine Safety and Health Administration
C．show how tidy cats are
D．show that the government can sometimes be a nuisance

单项选择题

What is the meaning of manhours” in Line 2, Paragraph 2

A．The time needed in finishing the work by one man.
B．The work done by one man in one hour.
C．The man needed in finishing the work in one hour.
D．The work done by one man.