题目

下列句子没有语病的一项是（ ）A.随着科技的发展，使微博、微信等交流平台日渐成为人们生活必备的工具。B.世界环境日前夕，济南市生态环境局开展了丰富多彩的宣传活动。C.央视热播的《经典咏流传》节目，广泛地引起了文艺界、学术界的讨论。D.有没有远大的志向和顽强的意志，是一个人取得成功的关键。单句改错。1.  You should make yourself understand in English.____2. The person was sent for would come here soon.____3.  Not known what to do,he asked me for help.____4.I am very glad to hear the news announcmg.____5. Losing in thought,the old man was hit by a car.____