A:2 mol SO2+ 1 mol O2
B:4 mol SO2+ 1 mol O2
C:2 mol SO2+ 1 mol O2+ 2 SO3
D:3 mol SO2+ 0.5 mol O2+ 1 SO3
唐玄宗之所以凸显于岁月的浮雕之外,成为一处孤绝的风景,还在于他不仅带来了大繁荣,而且带来了大混乱;不仅经历了大失败,而且经历了大成功;他的生命里人生的至喜与至悲均在浓缩,世间的荣耀与耻辱都聚焦在他的岁月里,伟大与渺小交融,显赫与悲凉同在,这样一个李隆基,难道还不能吸引我们好奇的目光吗?
⑴Where is Jimmy?____
⑵What are the sheep doing?____
⑶What are you doing?____
⑷What is Amy doing?____
⑸Is he playing ping-pong?____
A. Yes, he is.
B. He is in the classroom.
C. She is singing and dancing.
D. I'm walking.
E. They're running on the grass.
生活中的自行车____等运用到了空气可以被压缩了的性质。