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问题
选择题
若等腰三角形的两边长分别为3和4,则此三角形的周长为( )
A.10
B.11
C.10或7
D.10或11
答案
答案:
D
选择题
When the wounded soldier woke up in the hospital, he found _
by doctors and nurses.
A. it to surround
B. himself surrounded
C. to be surrounded
D. himself surrounding
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判断题
石灰是钢铁生产过程中用量最大的辅助材料。
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