金属的流动性好,收缩率(),表明材料的铸造性能好。
A、大
B、无关
C、小
参考答案:C
用所给词的正确形式填空。(10分)
小题1:Would you like something ____________ (eat)?
小题2:September 10th is ___________ (teach) Day.
小题3:Are there any _________ (library) in your school?
小题4:Nick usually has dinner at 7:00 and ________ (watch) TV at 8:00.
小题5:I live on the _________ (one) floor in the building.
小题6:How ________ (love) the birds on the trees are!
小题7:Kobe can play basketball very (good).
小题8:Daniel’s parents are good basketball (play).
小题9:My mother enjoys ________ (walk) down the street in the morning.
小题10:Here are three (photo) on the wall. They are very beautiful.
摩擦减振器的摩擦片磨损后,可引起蛇形振动加剧。