问题
选择题
—_______. Where is the No. 2 Middle School?
—Just go straight and turn left. You can see the school on your right. [ ]
A. Well
B. Excuse me
C. Sorry
D. Hello
答案
答案：B
搜题请搜索小程序“爱下问搜题”
—_______. Where is the No. 2 Middle School?
—Just go straight and turn left. You can see the school on your right. [ ]
A. Well
B. Excuse me
C. Sorry
D. Hello
答案：B
2SO3(g)，在相同温度下达到平衡。若甲容器保持体积不变，乙容器保持压强不变，测得甲容器中SO2的转化率为25%，则下列说法中正确的是[ ]