题目

The International Red Cross is ______ non-profit organization that cares for the wounded, sick and homeless in wartime, and victims of _____ natural disasters.    A. the; the           B. a; the            C. the;  不填            D. a; 不填 答案:D 解析: 略在下列各组线段中,不能构成三角形的是 [     ]A.5,7,10 B.7,10,13 C.5,7,13 D.5,10,13
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