单项选择题 Glenn Holland was a talented musician and composer who was also a professional musical performer. Why did he accept a teaching position at John F. Kennedy High School?A.Because he was tired of composing music.B.Because he wanted to enjoy more free time with his young wife, Iris, and compose a piece of orchestral music.C.Because his son Cole was born deaf, Glenn Holland wanted to teach his son by himself.D.Because his wife Iris thought he would be a good teacher instead of a good composer.

单项选择题 观赏齐白石的大多作品，主要会使人感到。 A. 情感跌宕起伏，感受波澜壮阔的历史，内心深受鼓舞。 B. 闲情惬意，充满了生活的趣味。 C. 作品细致入微，体验到生活的美在于细节。。

多项选择题 《中国药典》（2015年版）凡例中规定检查项包括：A、有效性 B、安全性 C、均一性 D、纯度 E、合理性