单项选择题

Questions 17-20 are based on the following passage. You now have 20 seconds to read the questions 17-20. What do we know about Mount Etna from the passage

A．One of Etna’s recent eruptions made many people move away.
B．Etna’s frequent eruptions have ruined most of the local farmland.
C．Etna’s eruptions are frequent but usually mild.
D．There are signs that Etna will erupt again in the near future.
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单项选择题
Which of the following is true of Emily Dickinson
A．She was not a productive poet.
B．She saw many of her poems published.
C．She was not a sociable person.
D．She had contact only with a few poets.
单项选择题
Where can you find an area code map of the U. S.
A．On the first page of the telephone book.
B．At the end of the telephone book.
C．In the front of the white page.
D．Right after the white page.
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