问题
选择题
________ is announced in today's paper, they have succeeded in solving many problems in
accordance with the new theory.[ ]
A. It
B. That
C. What
D. As
答案
答案：D
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________ is announced in today's paper, they have succeeded in solving many problems in
accordance with the new theory.[ ]
A. It
B. That
C. What
D. As
答案：D