单项选择题
Questions 14-17 are based on a lecture in a college class. You now have 20 seconds to read Questions 14-17.
In what class is this lecture probably being given
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A.History.
B.Physical education.
C.Botany.
D.Architecture.
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单项选择题
What was the good news for scientists
A.The underground oil resources have not been affected.
B.Most of the desert animals and plants have managed to survive.
C.The oil lakes soon dried up and stopped evaporating.
D.The underground water resources have not been polluted.
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填空题
The Hohokam people used to live in what is now ______.
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