1) Can reflect the light a) b) c) 2) Can block the light a) b) c) 3) Light can pass through a) b) c) 4) light travels in ......line a) b) c) 5) Allow light to pass a) b) c) 6) It's the ......... a) reflection b) shadow c) fog d) problem 7) this bottle is .......... a) opaque b) transparent

排行榜

视觉风格

选项

切换模板

恢复自动保存: