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
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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
According to the passage, the glaciers moved from the north directly the the south.
A. Right
B. Wrong
C. Not mentioned
They gave thanks while remembering ______.
A. the new society of Indians
B. their friends who died on the way to the new land
C. their former religion
D. to invite the Indians
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