皮皮学，免费搜题
登录
搜题
【单选题】
下列关于键盘、鼠标的操作规范的描述,哪些是正确的?A.
取下键盘或鼠标时沿键盘或鼠标插头的方向,水平向后拔出
B.
PS/2键盘严禁带电操作,PS/2鼠标可以带电操作
C.
PS/2鼠标严禁带电操作,PS/2键盘可以带电操作
D.
取下键盘或鼠标时沿键盘或鼠标插头的方向,左右摇晃向后拔出
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【判断题】Pollution can be defined as an undesirable change in the physical, chemical, or biological characteristics of the air, water, or land that can harmfully affect the health, survival, or activities of h...
A.
正确
B.
错误
【简答题】is the most important
parameter in water pollution control , used as a measure of organic pollution and as a basis
for estimating the oxygen needed for biological processesA. TOC B. COD C. BOD D. VSS
【单选题】The fishing ban is regarded as a key move to stop the _____of biological resources and degradation of biodiversity in the Yangtze River, which has been damaged by overfishing and pollution.
A.
deletion
B.
separation
C.
depletion
D.
implementation
【多选题】关于定金与押金，下列说法正确的是( )。
A.
定金和押金都有担保的功能
B.
定金具有违约救济功能而押金没有
C.
定金不能超过合同标的额而押金则可以
D.
发生违约时，定金适用定金罚则而押金则不适用
【简答题】Air pollution occurs when harmful or excessive including gases, particles, and biological molecules are introduced into the Earth's atmosphere.(quantities of substances / quantities of smog)
【简答题】生活污水处理装置2: In the early 1970s. the only facilities for sewage management onboard ships were biological systems and holding tanks. Yet, by the end of the decade, anti-pollution rules had been forced an...
【多选题】关于契约型基金，下列说法正确的是( )。
A.
契约型基金具有法人资格
B.
契约型基金依据基金合同成立
C.
契约型基金依据基金合同营运基金
D.
契约型基金在设立上更为简单易行
【简答题】Biological pollution refers to the origin of pollutants from living organisms, including 、 、 , as well as pollution caused by human beings themselves and their life activities
【简答题】Air pollution occurs when harmful or excessive including gases, particles, and biological molecules are introduced into the Earth's atmosphere.
【单选题】在C#中,下列代码的运行结果是() int a=30,b=20; b= a; a=10; Console.WriteLine(a); Console.WriteLine(b);
A.
10 20
B.
10 10
C.
10 30
D.
30 20
相关题目：
参考解析：
知识点：
题目纠错 0
发布
