三级预防中，第三级预防的重点是
A．早发现、早诊断、早治疗
B．合理的诊断和护理
C．防止意外伤害
D．防止并发症及伤残
E．防止疾病发生
参考答案：D
I shall never forget the day __________ Shen Zhou V was launched, _________ has a great effect on my life.
A．when, which
B．that, which
C．which, that
D．When, that
利用下列哪组器材不能区分下图所示的两杯没有标签的水和盐水
A．
B．
C．
D．
