漏管是以什么命名的（）
A.部位
B.症状
C.形态
D.疾病特性
参考答案：B
—What is Lucy going to do?
—_________.[ ]
A. She's doing her homework
B. She did her homework
C. She is going to do her homework
D. Yes, she is
氧气瓶阀拧不开时应用（）。
A.郎头轻轻地敲松
B.螺纹处滴加润滑油
C.火焰烘烤
D.加长柄板手
