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问题
单项选择题
下面哪位诗人是“初唐四杰”之一?()
A、王维
B、王勃
C、李白
D、杜甫
答案
参考答案:B
选择题
He eats ______ food, so he is ______ fat.
A. much too; too much
B. much too; too many
C. too much; much too
D. too much; many too
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填空题
从能带角度来看,锗、硅属于()半导体,而砷化稼属于()半导体,后者有利于光子的吸收和发射。
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