题目内容 (请给出正确答案)
提问人:网友z*****n 发布时间:2022年3月14日 23:08
[判断题]

动力因数D=(Ft-Fw)/G。()

参考答案
十点题库官方参考答案 (由十点题库聘请的专业题库老师提供的解答)
更多“动力因数D=(Ft-Fw)/G。()”相关的问题
指出下列短语的结构类型。 (1)内心的惆怅 (2)起个名字叫贝贝 (3)鲁迅先生是浙江人 (4)今天很热
点击查看答案
国内航行船舶填写电台日志的时间一般使用().
A.北京时间
B.格林威治时间
C.世界协调时
D.B或C
点击查看答案
门禁系统的分为:密码门禁系统、()、生物识别门禁系统。
点击查看答案

Listen to a short passage three times. When the passage is read for the first time, listen for its general idea. When the passage is read for the second time, fill in the blanks with the exact words you hear. When the passage is read for the third time, check what you have written.



Some parts of the earth are more likely to have earthquakes than other parts. This is usually true of 1)________ areas because there the thickness of rocks is not even.

 

It is easy to understand why people are so 2)________ by earthquakes. People used to believe that when an earthquake 3)________, the ground opened, swallowed great numbers of people, and then it closed. It was also thought that those people would 4)________ forever. But now we know this is not what really happens.

 

What we need to fear most is the effects of a serious earthquake, including fires, floods, and landslides. A powerful earthquake 5)________ in Yellowstone National Park on August 17, 1959. The earthquake was 6)________ and very strong. It also caused the worst landslides in US history since 1927.

 

After the earthquake, some people said that they would never visit Yellowstone, because they were afraid they would be 7)________ in such a disaster caused by the earthquake. This is actually a foolish idea. Such a fear would 8)________ beautiful mountains for the rest of our lives. Even though earthquakes happen every day, such a powerful earthquake like the Yellowstone one does not happen frequently at all. We should feel 9)________ that very few of us will suffer such a bad natural disaster. Besides, if we know 10)________ and make careful preparations, the loss of lives could be avoided.


点击查看答案
汽车在行驶中主减速器和差速器的常见故障表现为()、()
点击查看答案
图示简支梁是由三块截面为40mm×90mm的木板胶合而成,已知l=3m,胶缝的许用切应力[τ]=0.5Mpa,试按胶缝的切应力强度确定梁所能承受的最大荷载F。
图示简支梁是由三块截面为40mm×90mm的木板胶合而成,已知l=3m,胶缝的许用切应力[τ]=0.5Mpa,试按胶缝的切应力强度确定梁所能承受的最大荷载F。
点击查看答案
某局遇到以下几种情况,可以使用“决定”文种的是()。
A.关于某基层局重大交通安全事故的处理 B.对打击重大发票违法犯罪活动的部署 C.对获得国家级荣誉的人员进行嘉奖 D.关于在局家属院设立摄像头装置的周知
点击查看答案
在有废热、余热利用的场所,应采用的制冷机类型是()。
A.离心式
B.螺杆式
C.活塞式
D.吸收式
点击查看答案
目前尿糖检测试纸的测定方法是()
A.葡萄糖氧化酶法 B.己糖激酶法 C.福林-吴法 D.邻甲苯胺法 E.毛细管电泳法
点击查看答案
侯女士是一位单亲妈妈,独自抚养患自闭症的女儿,因女儿患病常被邻居议论。最近侯女士的单位因效益不好而倒闭,母亲又查出患了肺癌,侯女士已对生活绝望,感到孤立无援,向社会工作者小杨求助。小杨了解情况后,决定根据存在主义理论为侯女士提供服务。下列小杨的服务中,符合该理论的有______。
A.告诉侯女士人生都要经历痛苦的事情
B.帮助侯女士正视目前困难的生活现状
C.让侯女士明白纠结痛苦经历没有意义
D.在服务过程中多肯定侯女士的独特性
E.让侯女士明白她可以不用在乎别人议论
点击查看答案
明确目的,自觉支配行动的性格属于(    )。    A.理智型    B.情绪型    C.意志型    D.中间型
A.理智型B.情绪型C.意志型
点击查看答案
下列业务中,属于中央银行作为“政府的银行”所具有的基本职责的有()。
A.代理国库 
B.向商业银行贷款 
C.代理政府金融事务 
D.买卖外汇 
E.集中保管存款准备金
点击查看答案
1号血清对应标准红细胞为+++---,其可能的Rh抗体为()
A.抗-C B.抗-D C.抗-D、抗-C D.抗-E E.抗-c
点击查看答案
站、车应对客运人员定期进行教育,其内容是(),
A.业务知识
B.技术安全
C.管理知识
D.文化考试
点击查看答案
下列表述是砼立方体强度标准值是()。
A.以标准试件,标准养护条件,按标准方法测定的立方体抗压强度
B.以标准方法制作和养护的标准试件,在28d龄期
C.用标准方法测得的抗压强度总体积重的一个值
D.强度不低于该值的95%以规定符号fcu.k表示
点击查看答案
客服
TOP