老年人长期接受激素治疗会导致（）
A.肺炎
B.糖尿病
C.骨质疏松
D.溃疡病
E.心源性疾病
参考答案：C
下列四字词语中书写完全正确的一项是
A．鼓躁而进 别出心裁 标新立异
B．故作矜恃 剑拔弩张 驽马十驾
C．宏中肆外谈议风生逐机应变
D．黑质白彰 枯本竭源移山竭海
________ astronauts cannot go to a baseball game or a movie in orbit , there are many familiar activities that they can still enjoy.
A．While
B．Since
C．Before
D．Unless
