读“日本工业分布图”，回答下列问题
如图所示的实验装置中，下列说法正确的是（ ）
请画出如图所示的反射光线．
给下列图片选择合适的对话。
A. - Do you like singing? - No. I like dancing.
B. - What are they? - They're snakes.
C. - Would you like some meat? - No. I like fish.
D. - Do you like pigs? - Yes. They're lovely.
