单项选择题
A.30%~40%B.40%~50%C.50%~60%D.60%~70%
A.1~4B.4~10C.10~14D.14~20
A.55℃B.85℃C.115℃D.145℃
A.40℃~60℃B.60℃~80℃C.80℃~100℃D.100℃~120℃
微信扫一扫,加关注免费搜题