便携式等离子束发生器适用范围:()。
A.切割金属和有色金属(破拆工具)
B.瞬间击碎玻璃幕墙(消防救生)
C.材料高温钎焊与熔焊
D.工件的表面热处理
参考答案:A, B, C, D
The singer sang many songs, ________ some of my favorites.
A.include
B.included
C.including
D.to include
心在体相合的是()
A.脉
B.筋
C.骨
D.皮
E.肉