题型:问答题 简答题 Li Lin is doing his homework in the classroom. _______, a man comes in. [ ]A. usually B. at once C. always D. suddenly 查看答案
题型:问答题 简答题 漫画《救援》(作者:范军)如右图中的失败结果说明 ① 救援者要发挥主观能动性②救援者要一切从实际出发③救援者要着眼于整体,立足全局④救援者要重视局部,抓关键环节A.①③B.②③C.①④D.②④ 查看答案