（）是由地址码F和后面若干位数字组成的。
A.准备功能字
B.进给速度功能字
C.主轴转速功能字
D.刀具功能字
参考答案：B
The _____ news that the 39-year-old singer Chenlin committed suicide (自杀) came as a great _____ to
everyone. [ ]
A. surprised…surprise
B. surprising…surprise
C. surprised…surprised
D. surprising…surprised
遇水燃烧物质都具有遇水分解，产生可燃气体和热量，能引起火灾的危险性但不易引起爆炸。（）
