题目

阅读短文，回答下面的问题。Sue and Ann are twins. They're twelve. Sue likes Chinese music, and Ann likes pop music. Yesterday evening they went to a concert. They went there by bus. They enjoyed the concert very much. They went home by taxi.【1】How old are Sue and Ann? ____________________________【2】What music does Sue like? ____________________________【3】What music does Ann like? ____________________________【4】When did they go to the concert? ____________________________【5】How did they go to the concert? ____________________________1．如图所示，一束光线由空气斜射向水面，那么这束光线的入射角和折射角的大小分别是（　　）A．60°，30°B．30°，60°C．60°，60°D．30°，30°