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【单选题】

陆地伸进海洋的凸出部分是(  )

A.
大陆
B.
半岛
C.
岛屿
D.
群岛
题目标签:凸出部分
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参考答案:
参考解析:
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【单选题】Questions 62 to 66 are based on the following passage. If a mother pushes her small son in a swing (秋千), giving only a light force each time he returns, ually he will be swingirg.quite high. The ...

A.
the speed of a motor in revolutions
B.
the frequency at which a motor vibrates
C.
the amplitude of an engine that oscillates
D.
the changes in a dial within a ear engine
相关题目:
【单选题】Questions 62 to 66 are based on the following passage. If a mother pushes her small son in a swing (秋千), giving only a light force each time he returns, ually he will be swingirg.quite high. The ...
A.
the speed of a motor in revolutions
B.
the frequency at which a motor vibrates
C.
the amplitude of an engine that oscillates
D.
the changes in a dial within a ear engine
【单选题】油品输送的管路壁面凸出部分的平均高度叫()。
A.
平均高度
B.
平均阻力
C.
绝对粗糙度
D.
相对粗糙度