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这个对子，把华府所有人都难住了，华太师不知所措，急得都快冒汗。I nodded at this passage, Understand that what Zhang Xiaobo said is indeed reasonable, It is not a lie, Here I think it is necessary to give you one thing about popular science. So we have to say something digressive: The result of a real bullet hitting a petrol tank is not the same as that shown in most movies. One shot can explode the petrol tank, But this is not the case, Although a pure metal projectile will rub against the air at a speed of hundreds of meters per second to generate equivalent heat, And will produce sparks after hitting the metal oil drum, But none of this is enough to ignite petrol, Especially for gasoline with a large total amount, to ignite gasoline, please remember one thing-open flame must be used. In addition, gasoline is a flammable item, but it is not an explosive item in the true sense. Only after reaching a certain total amount can explosion be caused. If the total amount is insufficient, it can only cause combustion without explosion.2 T 'w! G0 I9 Q E & o: m十七世纪初，不明飞行物出现在朝鲜上空，由此开启了一段绵亘四百年的传奇因缘。时间来到当代，当年来到地球的外星人以大学教授都敏俊（金秀贤 饰）的身份生活在韩国的普通人中间。还有三个月一枚彗星即将接近地球，届时这个在地球上滞留了四百年的外星人将得以返回故土。只不过，在此之前他总会想起初来之时遇见的少女徐宜花（金贤秀 饰），也渴望再见到12年前救过的一个小女孩。敏俊与颇受人诟病的国民偶像千颂伊（全智贤 饰）比邻而居，而且后者又是他所在大学的学生。最初的交流并不顺畅，但敏俊很快发现这个女孩和他竟有着如此深的渊源。The best way to conform to the opening and closing principle is to provide an inherent interface, and then let all classes that may change implement the interface, allowing fixed interfaces to interact with related objects.韩信心中有数，自然不会轻易放过。陈启一看，原来是紫月剑发了一句气急败坏的话。