下列哪种活动不适合儿童患者
A．游戏
B．唱歌
C．郊游
D．打字
E．跳舞
参考答案：D
解析：儿童类作业治疗应以乐趣性为主，如游戏、唱歌、郊游、跳舞等。
维持蛋白质三级结构主要靠（）。
A.氢键
B.离子键
C.疏水作用
D.范德华力
E.二硫键
—What’s the matter with John? He has been sitting there for hours.
—A postcard from his father _____ an attack of home-sickness in him.
A．took up
B．set off
C．brought in
D．built up
