气化反应的氧碳比一般选多少?
参考答案:
气化反应的氧碳比一般为1.0。
To make members of a team perform better,the trainer first of all has to know their and weaknesses.
A.strengths
B.benefits
C.techniques
D.values
甲乙两人进行“百米赛跑”,甲到达终点时,乙还距终点10m:
(1)若让甲从起跑线后退10m,甲乙同时起跑,则______到达终点(填“甲先”、“乙先”或“同时”).
(2)要让甲乙同时起跑,同时到达终点,则乙应从起跑线前移______m.