皮皮学，免费搜题
登录
搜题
【单选题】
P 、 Q 是同一直线上相距 6 米 的两点,甲、小车同时从 P 点出发向 Q 点做匀速直线运动,经过 12 秒,甲车到达 Q 点,此时离 Q 点距离大于 2 米 。它们的 s - t 图象分别为如图所示 a 、 b 、 c 三条图线中的两条,则( )A.
甲的速度一定大于乙
B.
甲的速度一定小于乙
C.
乙的图象一定为图线 a
D.
乙的图象可能为图线 c
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】7 Soon, the marathon started and the young athletes left Cliff far behind . The crowds smiled, and some laughed out loud because he didn’t even run properly. He had the strangest running style ; he ap...
【简答题】Soon, the ____ started and the young athletes left Cliff far behind. The ____ smiled, and some laughed out loud because he didn't even run properly. He had the strangest running style; he appeared to ...
【多选题】Soon, the marathon started and the young__1___ left Cliff far behind. The crowds__2___, and some laughed out loud because he didn't even run properly. He had the strangest running style; he appeared t...
A.
athletes
B.
smiles
C.
shuffle
D.
progressed
E.
attention
【单选题】If he had come a little early, he the bus.
A.
would catch
B.
would have caught
C.
would have catch
D.
have caught
【多选题】Why did some people laugh at Cliff Young when he was running?
A.
Because Cliff Young didn’t run properly.
B.
Because Cliff Young had the strangest running style.
C.
Because Cliff Young appeared to shuffle.
【单选题】某A项工作有两项紧后工作D和E, D的最迟完成时间为20d,持续时间为13d; E的最迟时间为25d,持续时间为15d。则A工作的最迟完成时间为( )d。
A.
20
B.
15
C.
10
D.
7
【简答题】According to Cliff Young himself, what made him run throughout the race?(Para. 8)
【简答题】在直流环节谐振变换器中,开关频率可以达到多少赫兹?
相关题目：
参考解析：
知识点：
题目纠错 0
发布
