台地北边界线与99.0m等高线之间应有等高线的条数为()。(不包括台地边界线与99.0m等高线)
A.1条
B.2条
C.3条
D.4条
参考答案:C
We are not sure which restaurant_______tonight.
A.eating at
B.for eating
C.to eat at
D.we eat
录取油井的第一性动态资料包括油压、套压、产量、井口取样等。