Tony ____ in the accident when he fell overboard yesterday. He was _____ drowned.
A:fled; nearly
B:escaped; slightly
C:survived; narrowly
D:missed; hardly
钠的元素符号是: ____ ,请画出其原子结构示意图____
亚洲是世界第一大洲,下面对“世界第一大洲”的理解,不正确的是( )