问题 填空题

△ABC的内角A,B,C的对边分别为a,b,c,若,a=1,则b=().

答案

参考答案:

写句子

按要求写句子。   

1.詹天佑是我国杰出的爱国工程师。(缩句)     

                                                                                                                                                    

2.从田忌赛马这个故事中,使我认识到遇事要多动脑筋想办法。(修改病句)

                                                                                                                                                   

3.凡卡在信中说:“我没爹没娘,只有您一个亲人了。”(改为第三人称叙述)

                                                                                                                                                    

4.书籍就像高山上的风景,只有不怕艰险的人,才能观赏到它美丽的风光。(仿写)

                                                                                                                                                   

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