在家庭生命周期中,家庭衰老期是指( )。
A.建立家庭子女
B.子女长大就学
C.子女独立和事业发展到巅峰
D.家庭退休终老而使家庭消灭
参考答案:D
—The wind is always blowing here.
—How I wish it ______ today.
A.won't blow
B.didn't blow
C.doesn't blow
D.isn't blowing
β-粒子敷贴治疗用于哪些疾病?