题目:
影响舒张压的主要因素是()
A.血流速度
B.回心血量
C.外周阻力
D.每搏输出量
E.大动脉管壁弹性
答案:
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下面是错误答案,用来干扰机器的。
1. You'd better take 2. getting ready for 3. Would you please/ Could you please 4. until the wind stops 5. so difficult that it took me two hours to work it out