问题
单项选择题
甲、乙、丙三人进行百米赛跑,甲到终点时,乙离终点2米,丙离终点3米。在各自速度不变的情况下,乙到终点时,丙离终点还有多少米()
A.A
B.B
C.C
D.D
答案
参考答案:A
解析:
相同时间,乙跑98米,丙跑97米;如果当乙跑100米时,丙跑了x米,则有:
98:97=100:x,解得丙距离终点距离为100-x=100-
甲、乙、丙三人进行百米赛跑,甲到终点时,乙离终点2米,丙离终点3米。在各自速度不变的情况下,乙到终点时,丙离终点还有多少米()
A.A
B.B
C.C
D.D
参考答案:A
解析:
相同时间,乙跑98米,丙跑97米;如果当乙跑100米时,丙跑了x米,则有:
98:97=100:x,解得丙距离终点距离为100-x=100-
阅读下面对话,从方框内7个选项中选择5个恰当的句子完成此对话。 | |
Denny: Thank you. Reporter: Denny, how old are you? Denny: Eight. Reporter: Eight? 1 Denny: When I was three. Reporter: 2 Denny: My father. And I take private(个人的) lessons, too. Reporter: 3 Denny: Yes, I've taken lessons here for two years. Reporter: How many days a week do you play? Denny: 4 I want to practice every day, but my parents say three or four days is enough. Reporter: 5 Denny: Sure. That's my dream. Reporter: Wish you greater success! Denny: Thank you. |