单项选择题

The author's main purpose in writing the article is to warn of ______.

A．warm weather
B．hot weather
C．a new ice age
D．a new iceberg
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单项选择题
The word specters (first sentence, Paragraph two) is closest in meaning to ______.
A．"pollution"
B．"carbon dioxide"
C．"aerosols"
D．"ghosts"
单项选择题
According to the author, how to deal with the medical insurance during unemployment
A．You have to ask for payment from your ex-company.
B．You have to ask for payment from COBRA.
C．You have to pay by yourself better than nothing.
D．You needn't pay for the insurance for saving up money.
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