皮皮学,免费搜题
登录
搜题
【简答题】
阅读理解。 One Sunday, Cody decided to go sailing in his boat with his friend Dane, but Dane happened to be away. Dane's brother Brett wanted to go instead though he did not know anything about sailing. Cody agreed and they set out to sea. Soon they found themselves in a thick fog. Cody was sure they would be hit by a big ship. Fortunately (幸运地) he saw a large buoy (浮标) through the fog and decided to tie the boat to it for safety. As he was getting onto the buoy, however, he dropped the wet rope. The boat moved away in the fog carrying Brett who did not know how to use the radio. He drifted (漂流) about and was not seen until twelve hours later. Cody spent the night on the buoy. In the early morning he fell asleep and was having a dream when a shout woke him up. A ship, the Good Hope, came up and he climbed onto it and thanked the captain . The captain told him that Brett had been picked up by another ship and the ship's captain had sent out a message. 根据短文内容,判断正(T)误(F)。 (     )1. Cody went sailing in his boat with his friend's brother Brett. (     )2. About sailing, Brett knew a little. (     )3. Soon they got into trouble because of the thick fog. (     )4. They drifted about and were not seen until twelve hours later. (     )5. Brett was saved by the ship, the Good Hope.
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】地震 造成灾害的原因是什么?
【简答题】根据《危险化学品安全管理条例》的规定,下列关于剧毒化学品公路运输的说法正确的是()。 A.在取得危险货物道路运输许可后即可开始运输 B.危险化学品道路运输企业应当配备专职安全管理人员 C.运输剧毒化学品时需要在中途长时间停车的,应当向当地公安机关报告 D.运输车辆不得进入危险化学品运输车辆限制通行的区域
【单选题】1976年唐山发生7.8级地震,使整个城市的建(构)筑物破坏,顷刻间化为一片废墟。这次地震造成灾害的原因是由于当时唐山地区的建设()。
A.
没有考虑抗震
B.
建在活断层上
C.
位于软弱地基上
【单选题】如图所示的液压回路中,液压缸的活塞( )。
A.
应停留在缸的左端
B.
应停留在缸的右端
C.
应停留在缸的中间
D.
可以在缸内自由移动
【简答题】如图所示的液压回路,请分析:
【简答题】小说开篇,圣地亚哥和玛诺林在聊天时,聊到了很多并没有存在过的事物,比如鱼煮黄米饭,已经被卖掉的网,最新的报纸,等等。从这些对话中,我们可以看出圣地亚哥是一个什么样的人?
【判断题】企业一定时期的生产费用等于同一时期的生产成本
A.
正确
B.
错误
【单选题】如右图所示的液压回路中,液压缸的活塞( )
A.
应停留在缸的左端
B.
应停留在缸的右端
C.
应停留在缸的中间
D.
可以在缸内自由移动
【单选题】下列不属于人工智能研究的基本内容是?
A.
机器感知
B.
机器学习
C.
自动化
D.
机器思维
【简答题】如图4—10所示的减压回路,已知液压缸无杆腔、有杆腔的面积分别为100×10-4m2、50×10-4m2,最大负载F1=14000N、F2=4250N,背压p=0.15MPa,节流阀的压 差△p=0.2MPa,试求: 1)A、B、C各点压力(忽略管路阻力)。 2)液压泵和液压阀1、2、3应选多大的额定压力? 3)若两缸的进给速度分别为V1=3.5×10-2m/s,v2=4×10-2m/s,液压泵和...
相关题目: