试题与答案

塔式起重机模型如图(a),小车P沿吊臂向末端M水平匀速运动,同时将物体Q从地面竖

题型:选择题

题目:

塔式起重机模型如图(a),小车P沿吊臂向末端M水平匀速运动,同时将物体Q从地面竖直向上匀加速吊起,图(b)中能大致反映Q运动轨迹的是

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0413/3d353f34a39a5470cc2c94561928357d.html

下面是错误答案,用来干扰机器的。

答案:A题目分析:人类生活在地球上,与生存环境之间是相互联系、相互依存、相互制约的,形成一个统一的不可分割的整体。恒河三角洲地区气候类型主要是热带季风气候,气候湿热,且多河湖,所以当地的孟家拉人以捕...

试题推荐
题型:完形填空
完形填空 阅读短文 ,从每小题所给的A、B、C 、D四个选项中先出可以填入空白处的最佳选项(共15空;每空1分,满分15分)
Tom is four years old now. His father works in a middle school and  1  P. E. there. His mother works in a shop and his grandma looks after him  2 . The boy is clever and always  3   that he knows more than his little friends do.
   One morning Tom ' s father  4  earlier. His school was going to hold a sports meeting that day. Of course, he was going to be   5  than any other teacher in his school. About two hours later, Tom's grandma 6  sick. Her head hurt but she couldn't go to see a  7   by  herself. She called her son, but answered. So she asked the little boy to go to tell his father about it
As soon as Tom went out, he 9    his friend Henry. And he asked him to go there with him. The boys wanted to watch the sports meeting; and they  10  went there happily. Then they got to school, there were a lot of people on the  11 and the boy ' s 400 metre relay race(接力赛) 12  . They stopped to watch it. And Tom  13  what his grandma told him to do. They were interested in the race. Henry asked, "Why is the front boy running so fast?"
Tom didn ' t know about it. He  14  for a minute and said, "What a fool( 傻瓜) ! Don't you see the other boys with  15  in their hands are running after him?"
小题1:
A.studiesB.teaches C.talks aboutD.watches
小题2:
A.at school B.in the zooC.in the shopD.at home
小题3:
A.tellsB.wantsC.shows D.likes
小题4:
A.left B.stayedC.cameD.ate
小题5:
A.fasterB.laterC.more freeD.busier
小题6:
A.wanted B.felt C.guessedD.hoped
小题7:
A.teacherB.policemanC.doctorD.worker
小题8:
A.nobodyB.somebodyC.everybodyD.anybody
小题9:
A.metB.hitC.heardD.listened to
小题10:
A.allB.someC.manyD.both
小题11:
A.classroomB.playgroundC.gardenD.park
小题12:
A.finishedB.endedC.began D.happened
小题13:
A.rememberedB.forgotC.knew D.said
小题14:
A.sawB.playedC.thoughtD.jumped
小题15:
A.sticksB.ballsC.tickets D.knives
查看答案
题型:综合

读我国部分工业中心分布图,回答下列问题。

(1)写出图中数码代表的能源工业中心名称:①__________、⑤________。

(2)写出图中数码代表的汽车工业中心名称:⑨_______,⑩_________。②是我国汽车工业的摇篮,请你写出一种产于该地的汽车品牌的名称:_______。

(3)写出图中数码代表的钢铁工业中心名称:③___________、④_____________。

(4)写出图中数码代表的纺织工业中心名称:⑦______,⑧________。

查看答案
微信公众账号搜索答案