皮皮学，免费搜题
登录
logo - 刷刷题
搜题
【简答题】
二极管具有单向导电特性,即二极管两端加正向电压,二极管 ,有正向电流流过;给二极管两端加反向加压,二极管 ,正向电流为0,只有很小的反向电流。
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案：
举一反三
【简答题】 Food safety is considered to be an important public health issue that has caused governments all over the world to 1. ______________ to improve it. However, foodborne diseases are a 2. _________ gro...
查看完整题目与答案
【简答题】试题四（共15分） 阅读下列说明和表，回答问题1至问题2，将解答填入答题纸的对应栏内。 【说明】 看门狗(Watchdog)技术是嵌入式系统设计中保证系统可靠的常用技术。嵌入式控制系统运行时由于受到外部干扰或者内部系统错误，程序有时会出现“跑飞”现象，导致整个系统瘫痪。为了防止这一现象的发生，对系统可靠性要求较高的场合往往要加入看门狗电路。当系统“跑飞”时，看门狗电路能自动恢复系统的运行。 【问题...
查看完整题目与答案
【判断题】基本味中,咸味感受最快,苦味感受慢,但苦味阈值最小。
A.
正确
B.
错误
查看完整题目与答案
【单选题】What standard introduced by Ford in 1913 is considered advanced even today?
A.
Mass production.
B.
Labor practices.
C.
Safety measures.
D.
Medical care.
查看完整题目与答案
【单选题】Is considered to be one of the detainable deficiencies under the STCW Convention（）.
A.
Absence, substantial deterioration or failure of proper operation of the cargo deck area fire protection on tanker
B.
Absence, non-compliance or serious deterioration of lights, shapes or sound signal
C.
Absence or failure of proper operation of the radio equipment for distress and safety communication
D.
Absence in a watch of a person qualified to operate equipment essential to safe navigation, safety radio communications or the prevention of marine pollution
查看完整题目与答案
【单选题】______ is considered to be one of the detainable deficiencies under the STCW Convention.
A.
Absence, substantial deterioration or failure of proper operation of the cargo deck area fire protection on tanker
B.
Absence, non-compliance or serious deterioration of lights, shapes or sound signal
C.
Absence or failure of proper operation of the radio equipment for distress and safety communication
D.
Absence in a watch of person qualified to operate equipment essential to safe navigation, safety radio communication or the prevention of marine pollution
查看完整题目与答案
【判断题】基本味中,咸味感受最快,苦味感受慢,但苦味阈值最小。
A.
正确
B.
错误
查看完整题目与答案
【单选题】What is considered to be the biggest drawback to public warehousing?
A.
high fixed cost to user
B.
lack of safety regulation
C.
lack of locational flexibility
D.
lack of control by the user
查看完整题目与答案
【单选题】当往可编程控制器中写入编制的程序时,可编程控制器应处于什么状态( )
A.
运行
B.
输入
C.
输出
D.
停止
查看完整题目与答案
【简答题】What is considered a serious highway safety problem in theU.S.?
查看完整题目与答案
相关题目：
【简答题】 Food safety is considered to be an important public health issue that has caused governments all over the world to 1. ______________ to improve it. However, foodborne diseases are a 2. _________ gro...
查看完整题目与答案
【简答题】试题四（共15分） 阅读下列说明和表，回答问题1至问题2，将解答填入答题纸的对应栏内。 【说明】 看门狗(Watchdog)技术是嵌入式系统设计中保证系统可靠的常用技术。嵌入式控制系统运行时由于受到外部干扰或者内部系统错误，程序有时会出现“跑飞”现象，导致整个系统瘫痪。为了防止这一现象的发生，对系统可靠性要求较高的场合往往要加入看门狗电路。当系统“跑飞”时，看门狗电路能自动恢复系统的运行。 【问题...
查看完整题目与答案
【判断题】基本味中,咸味感受最快,苦味感受慢,但苦味阈值最小。
A.
正确
B.
错误
查看完整题目与答案
【单选题】What standard introduced by Ford in 1913 is considered advanced even today?
A.
Mass production.
B.
Labor practices.
C.
Safety measures.
D.
Medical care.
查看完整题目与答案
【单选题】Is considered to be one of the detainable deficiencies under the STCW Convention（）.
A.
Absence, substantial deterioration or failure of proper operation of the cargo deck area fire protection on tanker
B.
Absence, non-compliance or serious deterioration of lights, shapes or sound signal
C.
Absence or failure of proper operation of the radio equipment for distress and safety communication
D.
Absence in a watch of a person qualified to operate equipment essential to safe navigation, safety radio communications or the prevention of marine pollution
查看完整题目与答案
【单选题】______ is considered to be one of the detainable deficiencies under the STCW Convention.
A.
Absence, substantial deterioration or failure of proper operation of the cargo deck area fire protection on tanker
B.
Absence, non-compliance or serious deterioration of lights, shapes or sound signal
C.
Absence or failure of proper operation of the radio equipment for distress and safety communication
D.
Absence in a watch of person qualified to operate equipment essential to safe navigation, safety radio communication or the prevention of marine pollution
查看完整题目与答案
【判断题】基本味中,咸味感受最快,苦味感受慢,但苦味阈值最小。
A.
正确
B.
错误
查看完整题目与答案
【单选题】What is considered to be the biggest drawback to public warehousing?
A.
high fixed cost to user
B.
lack of safety regulation
C.
lack of locational flexibility
D.
lack of control by the user
查看完整题目与答案
【单选题】当往可编程控制器中写入编制的程序时,可编程控制器应处于什么状态( )
A.
运行
B.
输入
C.
输出
D.
停止
查看完整题目与答案
【简答题】What is considered a serious highway safety problem in theU.S.?
查看完整题目与答案
参考解析：
知识点：
题目纠错 0
发布
创建自己的小题库 - 刷刷题