2009年10月1日，我国举行了盛大的国庆阅兵式。举行阅兵式（ ）
①表明以军事实力为基础的综合国力的较量是当前国际竞争的实质
②有利于增强民族凝聚力和自信心
③可以展示人民军队维护祖国安全与同意，促进世界和平与发展的强大力量
④将有效抑制霸权主义、强权政治，根除恐怖主义
| A．②③ | B．①④ | C．①②③ | D．②③④ |
—Where is my dictionary? I remember I put it here yesterday.
—You________ it in the wrong place.
| A．must put | B．should have put | C．might put | D．must have put |
Eugene's never willing to alter any of his opinions. It’s no use _____ with him.
| A．to argue | B．arguing | C．argued | D．having arg ued |
．We had wanted to finish our task by noon, but it didn’t quite________.
| A．find out | B．give out | C．hand out | D．work out |
__________ __ you may be right , I can’t agree completely.
| A．While | B．As | C．If | D．Since |
The time he has devoted in the past years _______ the disable is now considered ________ of great value.
| A．to help; being | B．to helping; to be |
C．t o help; to be |
D．helping; being |