Why had they left England？
A. Because of religious problem.
B. To set up a new religion.
C. To learn new farming.
D. Because of the Indians.
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According to the passage, before the Ice Age the continental shelf was submerged in water.
A. Right
B. Wrong
C. Not mentioned
As there is always the Earth's gravitational(地心引力的)pull, people ______.
A. accept it without questioning it
B. never notice its presence
C. hardly think about how to use it
D. often try to escape from it
How long did the trip last？
A. 6 weeks.
B. 2 months or more.
C. Half a year.
D. 102 days.
A．placeB．foodC．referenceD．information
A. place
B. food
C. reference
D. information
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