The horse latitudes are characterized by().
A. weak pressure gradients and light,variable winds
B. the formation of typhoons or hurricanes in certain seasons
C. steady winds in one direction for six months followed by wind reversal for the next six months
D. steady winds generally from the southeast in the Southern Hemisphere
.管线加油车的液压控制系统功能有联锁制动及超越、呆德曼开关及超越、热释压装置等。()
A. 正确
B. 错误
患儿8kg,患有代谢性酸中毒,欲将其20Vol%的COcp提高到30Vol%,需要1.4%碳酸氢钠量为()。
A. 40ml
B. 80ml
C. 120ml
D. 160ml
E. 200m
将马氏杆横置于患者右眼前,令其注视33cm点光源,患者诉光线在光点内侧,该患者眼位是()
A. 内斜位
B. 外斜位
C. 上斜位
D. 下斜位
E. 正位