He knocked him down with a sharp blow.He ___(a) beat him (b)blew him over (c) knocked him (d) struck him讲解下！
问题描述：
He knocked him down with a sharp blow.He ___
(a) beat him
(b)blew him over
(c) knocked him
(d) struck him
讲解下！
答
b
题目的意思是他重重一击把他打倒了
a,c,d只能表示 击打，拍打
只有b是打倒的意思
答
选D.
beat是连续的拍打,击打
strike是可轻可重的打.