-___________ I come in?
-Sure. Come in, please.[ ]
A. Will
B. May
C. Must
D. Need
B
函数f(x)=lnx+2x-6(lnx是以e≈2.718…为底的对数)的零点落在区间( )
A.(2,2.25)
B.(2.25,2.5)
C.(2.5,2.75)
D.(2.75,3)
用所给词的适当形式填空。
1. It isn't easy_____ (learn) English well.
2. His brother wants to be an_____ (act) when he grows up.
3. The price of the TV is the _____ (high) of all.
4. Bill Gates won a great_____ (successful).