1、题目34:设函数f( )=2x-5,f(x+1)=( )

A. 　looks

B. 　smells

C. 　sounds

D. 　tastes

A. 3

B. 4

C. 5

D. 6

A. 　π

B. 　2π

C. 　4π

D. 　π/2

A. 　can

B. 　must

C. 　should

D. 　is supposed to

A. 　{x|-2<x<2}

B. 　{x|x>2或x<-2}

C. 　{x|-2≤x<2}

D. 　{x|x≥2或x<-2}

A. 　may

B. 　must

C. 　will

D. 　can

A. 　a

B. 　an

C. 　the

D. 　/

A. 　oldest;older

B. 　the oldest;older

C. 　the oldest;elder

D. 　the older;elder

A. 　how they are playing

B. 　what they are doing

C. 　where they are going

D. 　why they are practicing

A. 　many cheaper and quicker

B. 　very cheaper and quicker

C. 　more cheaper and quicker

D. 　much cheaper and quicker