单项选择题

This passage is primarily about_______.

A．the greenhouse effect
B．the burning of fossil fuels
C．the potential effect of air pollution
D．the likelihood of a new ice age
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单项选择题
Why had Lewis stayed the night at number 25
A．He had lost his way in the dark.
B．His lorry had something wrong with it.
C．Nottingham was too far for him to drive that night.
D．He had suddenly felt ill.
单项选择题
Why was James walking along that path
A．He usually discovered something suspicious along that way.
B．He had an appointment with a man at number 25, Dugby Road.
C．He chose to go that way by chance.
D．He knew he would get home quicker that way.
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