皮皮学，免费搜题
登录
搜题
【简答题】
一辆小汽车与一辆大卡车在一段窄路上相遇，必须倒车才能通行，如果小汽车的速度是大卡车的3倍，两车的速度是各自正常速度的 1 5 ，小汽车需倒车的路程是大卡车需倒车的路程的4倍，为了使最后通过窄路的那辆车尽早地通过这段路，问哪辆车倒车合理？
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
.
..
皮皮学刷刷变学霸
举一反三
【简答题】阅读理解。 Two strangers were sitting together in a plane. They were on a long journey. One of the man was a teacher, the other was a farmer. They sat without talking for a while, then the farmer said, 'Le...
查看完整题目与答案
【单选题】They____on a journey round the world.
A.
set about
B.
set up
C.
set off
D.
set out
查看完整题目与答案
【单选题】They are happy that they will on their journey next month.
A.
certify
B.
embark
C.
munch
D.
Enumerate
查看完整题目与答案
【多选题】地陪导游在旅游团抵达前要掌握的旅游团概况包括( )。
A.
计划签发单位
B.
接待用车情况
C.
全陪姓名和联系方式
D.
团名
E.
团号
查看完整题目与答案
【简答题】He objects to (treat) ______in such a bad way.
查看完整题目与答案
【单选题】按能量由低到高的顺序排列正确的一组是( )
A.
1s、2p、3d、4s
B.
1s、2s、3s、2p
C.
2s、2p、3s、3p
D.
4p、3d、4s、3p
查看完整题目与答案
【简答题】Two strangers were sitting together in a plane . They were on a long journey . One of the men was a teacher . The other was a farmer . They sat without talking for a while , then the farmer said , “ L...
查看完整题目与答案
【单选题】He is being treated at a private_______.
A.
school
B.
place
C.
club
D.
clinic
查看完整题目与答案
【单选题】Every minute should he made full use of_______our lessons. ?
A.
studying
B.
to study
C.
study
D.
being studied?
查看完整题目与答案
【单选题】They have ______________ on a journey round the world.
A.
set off
B.
set back
C.
set up
D.
set aside
查看完整题目与答案
相关题目：
【简答题】阅读理解。 Two strangers were sitting together in a plane. They were on a long journey. One of the man was a teacher, the other was a farmer. They sat without talking for a while, then the farmer said, 'Le...
查看完整题目与答案
【单选题】They____on a journey round the world.
A.
set about
B.
set up
C.
set off
D.
set out
查看完整题目与答案
【单选题】They are happy that they will on their journey next month.
A.
certify
B.
embark
C.
munch
D.
Enumerate
查看完整题目与答案
【多选题】地陪导游在旅游团抵达前要掌握的旅游团概况包括( )。
A.
计划签发单位
B.
接待用车情况
C.
全陪姓名和联系方式
D.
团名
E.
团号
查看完整题目与答案
【简答题】He objects to (treat) ______in such a bad way.
查看完整题目与答案
【单选题】按能量由低到高的顺序排列正确的一组是( )
A.
1s、2p、3d、4s
B.
1s、2s、3s、2p
C.
2s、2p、3s、3p
D.
4p、3d、4s、3p
查看完整题目与答案
【简答题】Two strangers were sitting together in a plane . They were on a long journey . One of the men was a teacher . The other was a farmer . They sat without talking for a while , then the farmer said , “ L...
查看完整题目与答案
【单选题】He is being treated at a private_______.
A.
school
B.
place
C.
club
D.
clinic
查看完整题目与答案
【单选题】Every minute should he made full use of_______our lessons. ?
A.
studying
B.
to study
C.
study
D.
being studied?
查看完整题目与答案
【单选题】They have ______________ on a journey round the world.
A.
set off
B.
set back
C.
set up
D.
set aside
查看完整题目与答案