干熄焦料位是干熄炉重要设备之一，其干熄炉料位常采用（）料位计。
A.静电容
B.雷达
C.热电偶
D.γ射线
参考答案：A, B, D
Documentation of a software package is normally produced for two purposes．One is toexplain the (71) ofthe software and describe how to use them．This is known as (72) because it is designed to be read by the user of the software．The other purpose ofdocumentation is to describe the software’s internal composition SO that the system can bemaintained later in its life cycle．Documentation of this type is known as (73) ．
A．system documentation
B．user documentation
C．vender documentation
D．1icense documentation
幽门梗阻的体征有（）
A.肠形
B.移动性浊音
C.液波震颤
D.振水音
E.全腹膨隆
