下列城市中，与陇海铁路相连的海港是（ ）
A．连云港
B．青岛
C．上海
D．秦皇岛
答案：A
— Mum, would you please buy me an MP5 player?
— If you can help do the dishes the whole vacation, you ______ have one as a reward.
A．would
B．shall
C．may
D．must
已知一元二次多项式x2-3x-2比一元一次多项式2x+4的值大18，求x的值．
