皮皮学，免费搜题
登录
搜题
【单选题】
电路如图所示，晶体管T的电流放大系数UCC=12V, b = 50，RB= 300 kW，RC= 3 kW，晶体管T处于（ ）。【图片】A.
放大状态
B.
截止状态
C.
饱和状态
D.
开关状态
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
【单选题】关于明星或公众人物型嘉宾说法正确的有( )
A.
主要用来增强节目的权威性和可信度
B.
他们是最不易把握的嘉宾。可能表达能力不行，可能有顾虑不愿意配合，不敢说真话等等。
C.
他们往往是话题事件的当事人，或目击者、见证者。
D.
请他们往往不太容易。他们顾及公众形象通常会慎选节目。需要事先经过层层沟通，编导和策划对此要有思想准备。不过专业训练让他们拥有不错的镜头前表现力。
【简答题】Exercise 3 Complete the summary according to the text. Many students as well as their parents wrote to Bill Gates to seek 1 about what students should learn and whether it is OK to 2 high school or...
【简答题】New Yorkers are gradually getting used to more pedaling passengers on those blazing blue Citi Bikes. But what about local bike shops? Is Citi Bike rolling up riders at their expense? At Gotham Bikes i...
【简答题】New Yorkers are gradually getting used to more pedaling passengers on those blazing blue Citi Bikes. But what about local bike shops? Is Citi Bike rolling up riders at their expense ? At Gotham Bikes ...
【简答题】IEC61131-3引入了程序组织单元POU的概念，POU有三类：（）、功能块（function-blocks）和程序（program）。
【简答题】Many students as well as their parents wrote to Bill Gates to seek____________________________ about what students should learn and whether it is OK to ______________________high school or____________...
【单选题】More Americans feel the U.S. is not that important as a world leader now probably because ______.
A.
the U.S. topples less governments now than they did in the past
B.
less Americans believe their country should be the leading superpower
C.
using the threat of force in realty is not as simple as written in the textbook
D.
the government decides to cut the expense on national security
【单选题】A channel consisting of one or more independent producers, wholesalers, or retailers that seek to maximize their own profits even at the expense of profits for the channel as a whole is a(n) ________.
A.
vertical marketing system
B.
independent channel allocation
C.
corporate VMS
D.
conventional distribution channel
【简答题】targets; tailored to; appeal to; routine; Corporate; 1. hospitality is typically defined as any that benefits an organization by entertaining s or prospective s at the organizati...
【单选题】They are ____ in work, well aware a careless mistake will cost the company millions of pounds.
A.
rather casual
B.
pretty slow
C.
meticulous
D.
really considerate
相关题目：
参考解析：
知识点：
题目纠错 0
发布
