— Could you tell me ___________?
— Sorry, I don't know. I will call you when he comes back.
A:when will your brother come back
B:when your brother will come back
C:how your brother will come back
D:how will your brother come back
“我住江之头,君住江之尾……我吸川上流,君喝川下水……彼此地相连,依山复靠水,山山皆北向,条条南流水。——陈毅《赠缅甸友人》”阅读以上材料, “我住江之头,君住江之尾。我吸川上流,君喝川下水。”下列河流中,发源于我国,流经缅甸、老挝、泰国、柬埔寨、越南,注入南海的河流是 ( )
①小麦含淀粉约70%,淀粉在人体内水解的最终产物是____(填化学式),该物质在人体内被氧化生成CO2和H20,此过程对生命活动的意义是____
②维生素D的作用是促进Ca2+的吸收,维生素D属于____(填“水溶”或“脂溶”)性维生素.配料中的碳酸钙能够与胃酸反应而起到一定的补钙作用,写出该反应的离子方程式:____.
—Yes, they ________.
— Do you think ___________ he has taken the bag?
— ___________ I'm mistaken.