在以()km为半径的范围内,可以用水平面代替水准面进行距离测量。
A.5
B.10
C.15
D.20
参考答案:B
用所给词的适当形式填空。
1. Who gets up _____ (late) in your family, your father or your mother?
2. Jim usually _____ ( do) his homework after school.
3. Mike and his parents live on the _____ (three) floor in that building.
4. Is it often _____ (rain) there in spring?
5. We _____ (see) a play next week.
6. David is good at _____ (make) model planes.
7. Would you like _____ (eat) some bread?
8. He _____ (make) many cakes for his friends yesterday.
9. Look! The children _____ (dance) in the playground.
10. There _____ (be) some orange juice in the bottle.
下图是“某时段近地面由于热力原因形成的等压面垂直分布示意图(单位:hPa)”。读图回答下题。
若该天气系统东移,则以下判断正确的是()
A、长沙将经历阴雨连绵的天气
B、长沙将气温上升,气压下降
C、南昌将经历晴朗天气
D、南昌的风向将是偏南风转偏北风