It’s already 5 o’clock. Don’t you think it’s about time _______?A、we are going homeB、we
It’s already 5 o’clock. Don’t you think it’s about time _______?
A、we are going home
B、we go home
C、we went home
D、we can go home
It’s already 5 o’clock. Don’t you think it’s about time _______?
A、we are going home
B、we go home
C、we went home
D、we can go home
It’s already seven o’clock. Miss Liu hasn’t turned up yet. -- She ______the bus.
A、may miss
B、may have missed
C、mustn’t have missed
D、can’t have missed
Factories _____5% of the country's commercial electricity consumption.
A) build on
B) account for
C) come in
D) count on
A.106rad/s
B.2×106rad/s
C.5×106rad/s
D.10×106rad/s
如图所示,平行平板有楔角α,则S'1S'2连线与SO平面交于O点,它离开S点距离为r。试证明
并求当l=1m,d=2.4mm,n=1.55,α=5×10-6弧度时r为多少?
Why does your brother want a new job ________ he's already got a very good one?
A、where
B、when
C、which
D、that
Will somebody go and get Dr. White?-He's already been sent for.()
A.错误
B.正确
He has already made up his mind, it’s no use________him.
A. try to persuade
B. to try to persuade
C. trying to persuade
D. to try persuading
The second Palestinian uprising against Israel's militaryoccupationwas already two months under way.
A) invasion B) profession C) vacation D) career