下列各组词语中的“头”都属于词缀的是（）。 ["甜头、插头","日头、光头","盼头、灯头","石头、苦头"]
加热炉在燃烧时过剩空气系数应控制在多少为宜，为什么？
C语言中最简单的数据类型包括（） ["整型、实型、逻辑型","整型、实型、字符型","整型、字符型、逻辑型","整型、实型、逻辑型、字符型"]
防止水泥稳定碎石基层出现裂缝病害的正确措施是（）． ["A.适当增加水泥稳定碎石混合料的水泥用量 ","B.碎石级配应接近要求级配范围的高值 ","C.养护结束后不能急于铺筑下封层 ","D.混合料碾压成型后应及时洒水养生"]
You are trying to alter the initial segment size given to a table in a dictionary-managed tablespace. Which of the following keywords would be used as part of this process?（） ["DROP TABLE ","ALTER TABLE ","RESIZE ","COALESCE"]
黄酮类化合物在紫外灯下一般显（）色荧光。
