问题
选择题
_____is Jenny.____bag is at home.[ ]
A. She; Her
B. Her; She
C. His; He
D. He; His
答案
答案：A
搜题请搜索小程序“爱下问搜题”
_____is Jenny.____bag is at home.[ ]
A. She; Her
B. Her; She
C. His; He
D. He; His
答案：A
2SO3(g) 的平衡体系中，当分离出SO3时，下列说法中正确的是（ ）