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（请给出正确答案）
______is known to the world, Mark Twain is a great American writer.
A．As
B．That
C．Who
D．Which
答案
更多“______is known to the world, Mark Twain is a great American writer.A．AsB．ThatC．WhoD．Which”相关的问题
第2题
______ I'd have told you.
A．If I would have known it
B．If I had have known it
C．Had I known it
D．Should I known it
第5题
A ______ achievement of electronics is the electronic computer.
A．widely knowing
B．being widely known
C．widely known
D．having widely known
第7题
I' 11______that I' m a qualified engineer.
A．have you know
B．have known you
C．have you knowing
D．have you known
第8题
It is known to every one that the film is ______ a real event.
A．based on
B．built on
C．looked on
D．carried on
第10题
A.B细胞为Th细胞提供第一信号
B.细胞为Th细胞提供第二信号
C.Th细胞为B细胞提供第一信号
D.Th细胞为B细胞提供第二信号
E.Th细胞分泌细胞因子作用于B细胞
第11题
The way to pick out the items on the first list from the second is known as ______.
A．recognition
B．recall
C．memorization
D．relearning
