问题
选择题
- _____ is your computer?
-It is in my study(书房). [ ]
A. Where
B. What
C. How
答案
答案：A
搜题请搜索小程序“爱下问搜题”
- _____ is your computer?
-It is in my study(书房). [ ]
A. Where
B. What
C. How
答案：A
表示质子或电子，○表示中子，则下列有关①②③的叙述正确的是[ ]