题目

庆祝新中国成立70周年，南京市政府10月1日晚在玄武湖畔燃放烟火，上演了一场声与光的盛宴（如图），下列关于下图场景中涉及的物理知识叙述错误的是（ ） A．远观的群众先看到光，再听到烟火的爆炸声 B．多彩的烟火是因为光的色散形成的 C．湖中的倒影是烟火正立的像 D．装点湖景的射灯发出的光是沿直线传播的句型转换。1. Jim studies English,Maths, Science and Art.（对画线部分提问）    What _____ _____ Jim _____?2. He usually plays football on Sundays.（改为否定句）    He _____ usually _____ football on Sundays.3. He is sitting quietly.（改为一般现在时）    He often _____ quietly.4. The boy runs fast. The girl doesn't run fast. (合成一句）    The boy runs fast, _____ the girl _____.5. He's showing the stamps to his friend.（改为同义句）    He's showing his _____ _____ _____.