问题
选择题
—I want to win first prize in the coming school maths competition.
—_______. [ ]
A. What's it about
B. I bet you do
C. Thank you
D. No, you can't
答案
答案：B
搜题请搜索小程序“爱下问搜题”
—I want to win first prize in the coming school maths competition.
—_______. [ ]
A. What's it about
B. I bet you do
C. Thank you
D. No, you can't
答案：B
zC（g）平衡时测得A的浓度为