合成液是一种新型的切削液,由()防锈剂、低泡油剂和清洗剂配制而成。
参考答案:添加剂
皱褶部位癣病的发病因素包括()
A.肥胖
B.糖尿病
C.易出汗
D.生活卫生状况
E.年龄
--- I was wondering if we could go skiing on the weekend.
--- ______ good.
A.Sound
B.Sounded
C.Sounding
D.Sounds