漫画《赛跑》启示我们在成长道路上要[ ]
A.发挥主观能动性,锲而不舍
B.尊重客观规律,循序渐进
C.明确人生目标,锐意进取
D.增强竞争意识,自立自信
答案:C
一 How much did the guy _____ you to fix your 3G mobile phone?
一 I don't remember, but it was quite a lot.[ ]
A. cost
B. spend
C. charge
D. take
补伤所用的材料应与管道主体防腐材料相同或相熔。