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简要回答光纤作为信息传输材料有什么优缺点
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皮皮学刷刷变学霸
举一反三
【简答题】Fat and shy, Ben Saunders was the last kid in his class picked for any sports team ' Football, tennis, cricket - anything with a round ball．I was useless,' he says now with a laugh．But back then he wa...
【简答题】What does Mr. Louis Smith ask for in his letter? ______and pictures of goods.
【单选题】患者,男性,49岁,患胃癌晚期,病情日趋恶化,患者对医务人员工作不满,常常对陪伴家属发脾气,请问该患者的心理反应属于哪一阶段
A.
否认期
B.
愤怒期
C.
忧郁期
D.
协议期
E.
接受期
【单选题】The bike was useless for it was burned ________ repair.
A.
beyond
B.
for
C.
without
D.
under
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