Question

【题目】Every year natural disasters kill _________ people.
A.nine thousands
B.thousands of
C.thousand of
D.nine thousands of

Answer 1

【答案】B
【解析】句意：每年自然灾害杀死成千上万的人。基数词后的thousand不能用复数，故排除A，D；表示成千上万的用thousands of，thousand表示概数时加s 和of连用。故选B。