—____(This/It) is an apple.

下列各式中不是二次根式的是（　　）

    Sarah is from France. She lives in Paris. She can speak French and English, but she can't speak Chinese. She has a pen pal in the United States. Her name is Jane and she lives in New York. Sarah's favorite sport is basketball and she can play the guitar, too. Jane's favorite sport is tennis. She can't play the guitar, but she can play the piano and sing.

依次填入下列句子横线处的成语，最恰当的一组是（    ）

①卫生厅长评价某些医疗乱象时说，有些医院，从不把想法设法降低老百姓负担的事放在心上，而是___________想办法赚钱。

②为打好经济下行阻击战，我市创新方式，多措并举，积极帮助企业化解融资难题，___________支持企业渡过难关，提振企业信心，促进企业稳生产增效益。

③像《飘》《魂断蓝桥》这样令人赞叹的中文翻译名有很多，而这些译名只有在译者。有时甚至数位翻译者长时间___________苦苦思索后才能产生出来。