减压反射的生理作用主要是
A.防止收缩压过高
B.防止舒张压过低
C.防止血压波动过大
D.防止脉压过小
E.防止血流速度过快
参考答案:C
—Did you have a good time in Tai’an last week?
—________________, it was too cold.
A.Not really
B.Oh, great
C.You’re right
D.Yeah, why not
宫颈息肉可出现()
A.性交后出血
B.经间出血
C.绝经多年后 * * 出血
D.停经后 * * 出血
E.经前或经后点滴出血