问题
单项选择题
房间隔缺损的血流动力学改变正确的是（）
A.左心容量负荷加重
B.右心容量负荷加重
C.肺动脉收缩压降低
D.右心压力负荷过重
E.左心压力负荷过重
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
房间隔缺损的血流动力学改变正确的是（）
A.左心容量负荷加重
B.右心容量负荷加重
C.肺动脉收缩压降低
D.右心压力负荷过重
E.左心压力负荷过重
参考答案：B
| 完形填空。 | ||||
| How much do you know about storms? Storm is a kind of very bad 1 with strong wind and rain. Storms can get stronger and stronger when 2 move overwarm ocean waters. The 3 , fastest winds of a hurricane (飓风) are found in the eye wall. This is the area 4 is around the center,or eye, of the storm. The 5 in the eye is light, and the sky is clear. Winds in ocean storms can reach speeds of more 6 two hundred fifty kilometers an hour.Some storms have 7 and more than 150cm of rain. These storms 8 cause high waves and ocean surges ( 巨浪). A surge is a continuous movement ( 连续运动) ofwater that may 9 six meters or more. The 10 smashes ( 猛击) across the beach. 90% of all the death is caused by surge. | ||||
|