问题
选择题
—Tom, where is your mother?
—Look, she ________ for us in the kitchen. [ ]
A. make dinner
B. has supper
C. is cooking
D. likes cooking
答案
答案：C
搜题请搜索小程序“爱下问搜题”
—Tom, where is your mother?
—Look, she ________ for us in the kitchen. [ ]
A. make dinner
B. has supper
C. is cooking
D. likes cooking
答案：C
3Z（g），若X、Y、Z起始浓度分别为
（均不为0，单位mol／L），当达平衡时X、Y、Z的浓度分别为0．1mol/L，0．2mol/L，0．06mol／L，则下列判断不合理的是[ ]
=l：2