写一个关于x的分式,使此分式当x=3时,它的值为2.这个分式可以是______.
当x=3时,分式的值为2,这样的分式可为2x-2.
故答案为2x-2.
为保证施工质量,后张法施工工艺中孔道留设应()。
A.在混凝土浇筑后即抽管
B.在初凝前抽管
C.在长边中间留设
D.在短边中间留设
Life of Pi ________ by Ang Lee and his team is widely recognized as a best movie picture.
A.developed
B.composed
C.set
D.shot