题干
As your teacher, I could not have you ______ away with cheating in the exam.
A：get
B：getting
C：breaking
D：break
答案(点此获取答案解析）
B
A：get
B：getting
C：breaking
D：break
”表示氮原子、“ 
”表示氧原子，则构成甲物质分子的图示是（ ）