A地的海拔高348米,B地的海拔高度为-14米,求A、B两地的高度差?
A地-B地=348-(-14)=348+14=362(米).
答:A、B两地的高度差是362米.
用括号内动词的适当形式填空。
1. He often ( have ) dinner at home.
2. Daniel and Tommy ( be ) in the Class One.
3. We ( not watch ) TV on Monday.
4. Nick ( not go ) to the zoo on Sunday.
5. they ( like ) the World Cup?
6. What they often ( do ) on Saturdays?
7. your parents ( read ) newspapers every day?
低渗性脱水重度缺钠出现周围循环衰竭,应即先()
A.输5%高渗盐水200~300ml
B.按每公斤体重缺NaCl0.5g计,快速输生理盐水
C.按血清钠下降值×体重×0.6计,快速输生理盐水
D.快速输入胶体液及晶体液,以补充血容量
E.输高渗葡萄糖及升压药物使血压上升