一根铁丝插入煮沸过的蒸馏水中,铁丝上有三点:A(水面以下)、B(水面)、C(水面以上)。问: (1)A、B、C三点哪点腐蚀最快?_____________________________________________(2)若向蒸馏水中加入少量食盐,B处的腐蚀速率将如何变化?_____________________________________________________________________(3)若将蒸馏水换成:①0.1 mol·L-1 H2SO4溶液;②1 mol·L-1 H2SO4溶液;③18.4 mol·L-1 H2SO4溶液,则A处腐蚀由快到慢的顺序是___________________。
-I got up late this morning.
-So you missed the meeting.
-________.I got there five minutes before it finished.
[ ]
A.
Not at all
B.
Not exactly
C.
Not especially
D.
Not really