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【简答题】
I. Introduction Knowing _________________________ 1 is the most important in presenting products.
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【简答题】All eyes were . 所有的目光都注意到演讲者身上。
【简答题】某元素原子的价电子构型是3d54s1，该元素位于第 周期。
【单选题】When the _____ young actor appeared on the stage, all eyes were fixed upon him.A．beautifulB．hand
A.
48. When the _____ young actor appeared on the stage, all eyes were fixed upon him. A．beautiful
B.
handsome
C.
pretty
D.
happy
【单选题】When the_____young actor appeared on the stage, all eyes were fixed upon him.
A.
beautiful
B.
handsome
C.
pretty
D.
happy
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