捞油井口有（）种。
A、2
B、3
C、4
D、5
参考答案：B
用人工取土器(环刀法)如何测定粘性土及无机结合料稳定细粒土的密度。
——This green coat looks nice on you and it is only 200 Yuan.
——OK.______.
A．I'll need it
B．I'll take it
C．It's much too expensive.
D．I'd like to sell it.
