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【简答题】
安全气囊系统主要由 、 、 、 等组成。
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举一反三
【单选题】Why does the professor discuss the island of Oahu?
A.
to explain where the rats on Easter Island originally came from
B.
to provide evidence that rats arrived on Easter Island before humans did
C.
to support the claim that rats were the main cause of deforestation on Easter Island
D.
to suggest that the pollen record on Easter Island could provide evidence of deforestation
【单选题】Why does the professor mention industrial sites?
A.
to argue that pollution is a growing problem
B.
to explain why lichens are becoming endangered
C.
to show how lichens are being used to study pollution
D.
to illustrate where most lichens can be found
【简答题】按照同方向列车运行方式不同,列车运行图可分为( )、( )。
【简答题】按照同方向列车运行方式分，列车运行图可分为 和 。
【简答题】Why does the professor
mention Pakistan?A. To show that cultures can
be different depending on where you grow up. B. To show that cultures are
the same everywhere. C. To show that culture is
important...
【简答题】运行图按照同方向列车运行方式可分为:( ),( )。
【单选题】按照同方向列车运行方式划分，列车运行图可分为( )。
A.
平行运行图和不成对运行图
B.
平行和非平行运行图
C.
非平行运行图和成对运行图
D.
追踪运行图和连发运行图
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