—Would you please tell Miss Li that she _______ as a volunteer for the 2008 Olympic games? —Of course. I will tell her tomorrow. |
[ ] |
A. choose B. chose C. has chosen D. is chosen |
60ml,0.6mol/l的LICL溶液里,LI的物质的量浓度
1年前1个回答
1年前1个回答
1年前8个回答
你能帮帮他们吗