Lang Lang was born in Shenyang, 1982. He is a ____(著名的) pianist now. When he was only three years old, he ____(显示) his talent in playing the piano. So his father took him to a piano school in Beijing and told him, “____(假如) you don't work hard, your dream won't come true.” Lang Lang was hard-working and strict with ____(他自己). At the age of five, he took part in a piano competition and ____ (赢) the first prize. He went to America to get further study when he was only thirteen, and from then on, he ____(几乎不) went back home. ____(终于), he reached the top. In 2018, Lang Lang will have two ____(音乐会) in China. Many people are ____(计划) to go there. “____(任何人) can be successful as long as you put your heart into it.” Lang Lang said.

下列词语中没有错别字的一组是（    ）

2014 年 11 月 15 日至 16 日，市教育局、团市委、市少工委联合开展了第九届泰安市“争当小实验家”科学体验活动。 “争当小实验家”活动分为物理、化学、生物、天文四个学科，帮助广大少年儿童了解科学实验的过程，掌握科学实验的方法。青少年参加此项活动有利于（）
①激发学科学、爱科学、讲科学、用科学的热情
②培养创新精神和动手动脑能力
③从根本上改变我市科技落后的局面
④促进科学素养的提升