甲乙两辆汽车都从静止出发做加速直线运动,加速度方向一直不变。在第一段时间间隔内,两辆汽车的加速度大小不变,汽车乙的加速度大小是甲的两倍;在接下来的相同时间间隔内,汽车甲的加速度大小增加为原来的两倍,汽车乙的加速度大小减小为原来的一半。求甲乙两车各自在这两段时间间隔内走过的总路程之比。
Let's ________some soup.
Great! What about Russian soup?( )
A.doB.cutC.makeD.work
Hello, Anna! It's cold today, isn't it?
Oh, I think it's _______.( )
A.warmB.freeC.tidyD.lazy
My classmate Mike is going to ________ Beijing with his father the day after tomorrow.( )
A.aB.anC.theD./
Excuse me, Kate. Is this your eraser?
Oh, yes. It's ________. Thank you, Bob.( )
A.sheB.herC.yourD.mine
Good morning, Jack!
________, Dale!( )
A.GoodbyeB.Good morning
C.Good ideaD.Good evening