f(4)=4+5=3
故选B.
--- He hasn’t watched the movie “ So Young”, has he?
--- ______. He told me it was very moving and interesting, he’d like to watch it again.
A.Yes, he has
B.Yes, he hasn’t
C.No, he hasn’t
D.No, he has
面层抹灰经赶平压实后,其厚度的说法下列各项中不正确的是______。
A.麻刀石灰不得大于3 mm
B.纸筋石灰不得大于2 mm
C.石膏灰不得大于2 mm
D.石膏灰不得大于1.5 mm