观点一：从鸦片战争以来，中国反抗外国侵略的战争老是失败，像甲午战争、八国联军侵华战争．．．．．．这次，抗日战争可是取得了完全胜利。
观点二：日本不仅侵略中国，还发动太平洋战争，侵略了亚洲许多国家，中国的抗日战争也支援了他们的反侵略战争。
观点三：抗日战争的胜利来得不容易呀！中国人民付出了巨大的民族牺牲，一共伤亡三千五百多人，直接财产损失达一千亿美元．．．．．．
抗日战争的胜利具有伟大的历史意义，请参考上述材料简要概括抗日战争胜利的历史意义。

“真理诞生于一百个问号之后”的意思是(　　　)

    "Early to bed, early to rise makes people healthy, wealthy(富有的)and wise(聪明的). "

    This is an old English saying. Children should have ten hours' sleep every night, or they can't do their work very well. They will not be wise, either. The body needs exercise. Walkin9, running, swim-ruing and playing ball games are all exercise. Exercise keeps the body strong and makes the mind bright.

3×2=____2×2＝____1×4＝____ 4×2=____

如图，DE∥BC，点A为DC的中点，点B，A，E共线，求证：DE=CB．