①雄厚的资金 ②丰富的资源 ③先进的科技 ④廉价的劳动力
A:②④
B:②③
C:①②
D:③④
——Congratulations to you on making such great progress!——Thanks, but I would do better ________ I was given more time.
下图为某电子产品生命周期模式图。读图,完成下列各题。
下图是某气象观测站一天中四次气温的观测记录,其中正确反映14时气温状况的是( )