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问题 单项选择题

测井过程中，各次测量的曲线经常在深度产生不同程度的相对错动，其原因不包括（）。

A.下井仪器的重量

B.仪器与井壁的接触状态

C.测速

D.仪器的工作状态

答案

参考答案：D

选择题

The Ching Ming Festival or Grave-Sweeping Day, ____ falls on April 4 this year, is an important date in the Chinese calendar

A. which       B that      C. what     D. where
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选择题

Several Chinese films are rising to international fame, the Brokeback Mountain(《断臂山》), ______ ,

directed by Ang Lee has won the Oscar Awards.[ ]

A. such as          

B. for example        

C. namely        

D. that is

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