某粒子结构示意图如图所示,下列对该粒子的判断中,错误的是( )
A.原子核内有12个质子
B.该粒子是阴离子
C.在化学变化中易失电子
D.该粒子属于金属元素
答案:B
---With 4G mobile phones, people can even see each other as they talk.
----Really? Would you show me it, please?
A.how to use
B.when to use
C.where to use
D.what to use
发芽的温度一般保持在( )
A.8~15℃
B.18~25℃
C.28~35℃
D.38~45℃
E.36~37℃