普通水准测量中也应保证前后视距大致相等。
参考答案:对
They've _____ us 150,000 dollars for the house, shall we take it? [ ]
A. provided
B. supplied
C. shown
D. offered
当看跌期权的价格高于当时的标的物价格时,该期权为实值期权。()