【单选题】A cumin canister (孜然罐) of mass 0.40kg slides across a horizontal frictionless counter (柜台) with speed 0.50m/s. It then runs into and compresses a spring (弹簧) with spring constant 750N/m. When the cani...
【单选题】听力原文:M:It doesn't make any sense to go home for spring holiday now. I'm bored with all the activities in the spring festival. W:That's right.As far as I know you'll have to prepare for your paper then...
A.
The man will go home during the spring holiday.
B.
The man will graduate before spring holiday.
C.
The man will not graduate in May.
D.
The man will not go home during the spring holiday.