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【单选题】
粗糙度是指结构面的粗糙及光滑程度，用起伏度和起伏差来表征。起伏度常用起伏角i来表示，波状起伏的结构面则以波峰与波谷之间的距离起伏差h（单位为cm）表示。下列对结构面粗糙度的表述中，错误的是（）。A.
结构面的粗糙度对于研究岩体的抗剪强度有重要意义
B.
结构面的粗糙度对于评价岩体的剪胀有重要意义
C.
在其他岩体条件相同的条件下，粗糙结构面比光滑结构面的抗剪强度高
D.
当软弱夹层的厚度低于起伏差时，则夹层围岩的粗糙度对夹层的强度不起作用
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【单选题】Yukio Hatoyama has been elected _____ Prime Minister of Japan, and all the Japanese are looking forward to _____ new Japan under his leadership.
A.
/;/
B.
the; a
C.
/; a
D.
the; /
【简答题】“Goodbye, then,” she said, without even ________ from her book. A．looking down B．looking up C．looking away D．looking on
【简答题】A．She was looking for the manager of the store. B．She was looking for a CD for the customers. C．She was looking for the address of the manager. D．She was looking for the couple who wanted the CD.
【单选题】Mary is looking for the book she lost yesterday.（ ）
A.
trying to find
B.
looking up
C.
looking at
D.
finding
【单选题】Do you know _____? [ ]
A.
whom she is looking after
B.
who is she looking
C.
who is she looking after
D.
whom she is looking
【单选题】2 Mary is looking for the book she lost yesterday
A.
trying to find
B.
looking up
C.
looking at
D.
finding
【单选题】She was ( ) the grandchildren again.
A.
looking for
B.
looking forward to
C.
looking around
【单选题】'Goodbye, then,'she said, without even ________ from her book.
A.
looking down
B.
looking up
C.
looking away
D.
looking on
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