下列哪些运动不适合老年人选择
A.游泳
B.慢跑
C.散步
D.百米短跑
E.冷水浴
参考答案:D
If you don't know how to say something in English, you say: _______ [ ]
A. I don't understand
B. I'll start now
C. Excuse me. How do you say that in English?
D. I don't know
对一般心脏病患者要求拔牙时()
A.不应做拔牙手术
B.绝对禁止拔牙
C.可以拔牙,但麻醉药内不加肾上腺素
D.为了拔牙效果好,拔牙时应加肾上腺素
E.必须在心电监护下拔牙