问题
单项选择题
直线插补法插补短时间缺测水位,是使用缺测时段两端的观测值按()内插求得。
A、正反比例
B、时间比例
C、水位比例
D、水位过程
答案
参考答案:B
直线插补法插补短时间缺测水位,是使用缺测时段两端的观测值按()内插求得。
A、正反比例
B、时间比例
C、水位比例
D、水位过程
参考答案:B
四、阅读理解(共16小题;每小题2分,满 ![]()
48. If you want a job of taking care of children, which ad will you answer? A.LOST AND FOUND B. ROOMMATES C. FOR SAIL D.HELP WANTED 49. You will call____ if you want to buy a radio. A. 800---0436 B. 800—0739 C.800—4661 D.800—4964 50. If your aunt wants to rent a room from Feb.1st to Apri.1st, how much money should she pay? A. $160 B. $ 129 C. $ 209 D. $418 |