钎焊时，钎料和母材（）。
A、都熔化
B、都不熔化
C、钎料熔化但母材不熔化
参考答案：C
She was_____the result. We knew it from her_____look.[ ]
A. satisfying with; satisfied
B. satisfied with; satisfied
C. Satisfied with; satisfying
D. satisfying with; satisfying
首先做出的护理诊断是
A．营养失调B．舒适改变C．水肿D．恐惧E．自我形象紊乱
