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【单选题】
光发生反射的规律为A.
入射线、折射线与法线在同一平面内,入射角等于反射角
B.
来自不同方向的光线相遇时互不影响,仍朝各自的方向前进
C.
在均匀介质中,光沿着直线传播
D.
沿着一定线路传播的一条光线,可以沿原路从相反方向返回通过发光点
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【单选题】On this historic street, visitors can tour several homes from centuries past to get a(n) look at the city's traditional holiday celebrations
A.
retrospection
B.
retrospective
C.
ascend
【简答题】Read the conversation. Choose the proper sentences from A to E to complete the conversation. A. a ncient B. capital C. c hange D. Is this your first time here ? E. What ’ s your idea A: Good morning, ...
【简答题】Reading Text 8.doc
【简答题】在域名系统中，用于标识配件交换机的对象类型为 【14】。
【单选题】By saying that 'It's an image that will boggle the mind for years to come,' (the last sentence in paragraph 2) the author means that______.
A.
the WTO is likely to have a bad image in people's mind in the future
B.
the startling scene will hang in people's mind in the years to come
C.
the WT0 will have a difficult time changing people's way of thinking in the furture
D.
people will lose whatever confidence they have in the future of the WTO
【单选题】根据法拉第电磁感应原理，块状金属导体置于变化的磁场中或在磁场中作切割磁力线运动时，导体内将产生旋涡状的感应电流，此电流叫电涡流，以上现象称为（ ）。
A.
应变效应
B.
压阻效应
C.
霍尔效应
D.
电涡流效应
【简答题】作业8.doc
【简答题】Read the information below. Then listen to a man's talk and fill in the blanks. 1. The problem is that this beautiful and charming city is . 2. Venice is actually sinking at a rate of inches every dec...
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