问题
选择题
I________at my watch and was surprised to see that it was nearly midnight. [ ]
A. glanced
B. observed
C. glared
D. stared
答案
答案：A
搜题请搜索小程序“爱下问搜题”
I________at my watch and was surprised to see that it was nearly midnight. [ ]
A. glanced
B. observed
C. glared
D. stared
答案：A
生离子键破坏的是___ 仅发生离子键破坏的是 ；既发生离子键又发生共价键破坏的是 ______。