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【单选题】
如图所示,一束自然光自空气射向一块平板玻璃,设入射角等于特角 ,则光线 2 [ ]A.
是自然光
B.
是线偏振光且光矢量的振动方向垂直于入射面
C.
是线偏振光且光矢量的振动方向平行于入射面
D.
是部分偏振光
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举一反三
【单选题】______ fathers are both teachers.
A.
Ann's and Jane
B.
Ann's and Jane's
C.
Ann and Jane's
D.
Ann and Jane
【单选题】听力原文：W : What do you think of Jane's speech? M: Even though her speech was the last one on the program, it was the best one. Which of the following statements is true?
A.
Jane spoke last but not best.
B.
Jane spoke last and best.
C.
Even though last, Jane spoke fast.
【单选题】That tennis ball is one of ____. [ ]
A.
Jane father
B.
Jane's father
C.
Jane father
D.
Jane's father's
【简答题】Jane and I live in one room. Jane and I ______.
【单选题】That tennis ball is one of ___________.
A.
Jane fathers
B.
Jane’s fathers’
C.
Jane father’s
D.
Jane’s father’s
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