皮皮学,免费搜题
登录
搜题
【单选题】
如图所示,光滑平面上放置质量相同的运动物体P和静止物体Q,Q与弹簧和挡板M相连,弹簧和挡板的质量忽略不计.P与Q碰撞后P停止,而Q以碰撞前P的速度运动.则在碰撞过程中弹簧压缩量达到最大时,此时有【图片】
A.
P 的速度正好变为零
B.
P 与 Q 的 速度相等
C.
Q 正好开始运动
D.
Q 正好达到原来 P 的速度
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
【单选题】1839 年组织编写成《四洲志》,向中国人介绍西方情况的是
A.
林则徐
B.
魏源
C.
马建忠
D.
郑观应
查看完整题目与答案
【单选题】David is __animal fur, so he won’t visit anyone who has cats or dogs in the house.
A.
curious about
B.
allergic to
C.
satisfied with
D.
food of
查看完整题目与答案
【单选题】David is ________animal fur, so he won’t visit anyone who has cats or dogs in the house.
A.
curious about
B.
fond of
C.
satisfied with
D.
allergic to
查看完整题目与答案
【单选题】What does 'kick the elephant out of the White House' mean?
A.
Drive the animal ont of the White House.
B.
Drive President Bush out of power.
C.
Keep the elephant out of the White House.
D.
Insist on Bush's being elected.
查看完整题目与答案
【单选题】妊娠合并心脏病患者,心功能Ⅱ级,妊娠38+2周,枕先露,胎心146次/分,有不规律宫缩,宫颈管已消失,骨盆正常。下列处理原则正确的是()。
A.
宫口开全后,行缩宫素静脉滴注
B.
指导产妇用力,缩短第一产程
C.
监测产程进展,缩短第二产程,给予阴道助产
D.
宫口开全后,指导产妇屏气用力,尽快结束分娩
E.
缩宫素滴注缩短第一产程
查看完整题目与答案
【简答题】Over 500 dogs being delivered to a butcher house were saved by a Chinese animal protection organization. The incident then resulted in a debate among Chinese netizens about the necessity of pouring so...
查看完整题目与答案
【单选题】名片的接受和保管,描述正确的是()
A.
在对外事务中交换名片时,应将名片文字朝自己,双手拿出,当对方接手名片后再说了出自己的姓名
B.
接对方的名片时,应双手去接,拿到手后,要马上看,正确记住对方姓名后,将名片收起
C.
如遇对方姓名有难认的文字,不应当众读出,而应事后自己查证
D.
递名片时可使用单手递
查看完整题目与答案
【单选题】听力原文:The contractor said the repairs on Frank's house would be very expensive, but Frank decided to have the work done. (30)
A.
Frank told the contractor that the price was too high.
B.
Frank cannot afford the work on his house.
C.
Frank told the contractor to do the work in spite of the cost.
D.
Frank repaired his own house.
查看完整题目与答案
【单选题】1839年组织编写成《四洲志》向中国人介绍西方情况的是
A.
林则徐
B.
郑观应
C.
马建忠
D.
魏源
查看完整题目与答案
【单选题】The animal had been left in the house _________.
A.
in itself
B.
by itself
C.
to itself
D.
of itself
查看完整题目与答案
相关题目:
【单选题】1839 年组织编写成《四洲志》,向中国人介绍西方情况的是
A.
林则徐
B.
魏源
C.
马建忠
D.
郑观应
查看完整题目与答案
【单选题】David is __animal fur, so he won’t visit anyone who has cats or dogs in the house.
A.
curious about
B.
allergic to
C.
satisfied with
D.
food of
查看完整题目与答案
【单选题】David is ________animal fur, so he won’t visit anyone who has cats or dogs in the house.
A.
curious about
B.
fond of
C.
satisfied with
D.
allergic to
查看完整题目与答案
【单选题】What does 'kick the elephant out of the White House' mean?
A.
Drive the animal ont of the White House.
B.
Drive President Bush out of power.
C.
Keep the elephant out of the White House.
D.
Insist on Bush's being elected.
查看完整题目与答案
【单选题】妊娠合并心脏病患者,心功能Ⅱ级,妊娠38+2周,枕先露,胎心146次/分,有不规律宫缩,宫颈管已消失,骨盆正常。下列处理原则正确的是()。
A.
宫口开全后,行缩宫素静脉滴注
B.
指导产妇用力,缩短第一产程
C.
监测产程进展,缩短第二产程,给予阴道助产
D.
宫口开全后,指导产妇屏气用力,尽快结束分娩
E.
缩宫素滴注缩短第一产程
查看完整题目与答案
【简答题】Over 500 dogs being delivered to a butcher house were saved by a Chinese animal protection organization. The incident then resulted in a debate among Chinese netizens about the necessity of pouring so...
查看完整题目与答案
【单选题】名片的接受和保管,描述正确的是()
A.
在对外事务中交换名片时,应将名片文字朝自己,双手拿出,当对方接手名片后再说了出自己的姓名
B.
接对方的名片时,应双手去接,拿到手后,要马上看,正确记住对方姓名后,将名片收起
C.
如遇对方姓名有难认的文字,不应当众读出,而应事后自己查证
D.
递名片时可使用单手递
查看完整题目与答案
【单选题】听力原文:The contractor said the repairs on Frank's house would be very expensive, but Frank decided to have the work done. (30)
A.
Frank told the contractor that the price was too high.
B.
Frank cannot afford the work on his house.
C.
Frank told the contractor to do the work in spite of the cost.
D.
Frank repaired his own house.
查看完整题目与答案
【单选题】1839年组织编写成《四洲志》向中国人介绍西方情况的是
A.
林则徐
B.
郑观应
C.
马建忠
D.
魏源
查看完整题目与答案
【单选题】The animal had been left in the house _________.
A.
in itself
B.
by itself
C.
to itself
D.
of itself
查看完整题目与答案