题目内容

如图三极管为型；处于状态。

A. NPN/放大
B. NPN/截止
C. PNP/截止
D. PNP/放大

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已知某NPN型晶体管处于放大状态，测得其三个电极的电位分别为6V、9V、6.3，则三个电极分别为_____

A. 集电极、发射极和基极
B. 基极、发射极和集电极
C. 集电极、基极和发射极
D. 发射极、集电极和基极

用万用表测试某电路中一个NPN型三极管的静态工作电压时，当时，可断定管子处于______状态。(设管子没损坏)

A. 放大
B. 饱和
C. 短路
D. 截止

当晶体管工作在放大区时，iC随iB增加而

A. 增加
B. 减少
C. 不变
D. 等于零

Now watch the video clip. Please get familiar with the words given below and then fill in each blank with only one word.Staging is an (1) part of selling your home. For a listing to be (2) staged, excess (3) and stuff needs to be (4) to make your home more inviting. The same (5) apply to your marketing. For example, cramming too many listings on a page with small photos and (6) text has the same (7) as too much stuff in a room. Buyers won’t be able to live the room or your advertising fast enough. But there is a (8). These three simple steps will (9) your ad into an effective marketing tool and grab the attention of (10) customers.