【填空题】设[图]为3阶矩阵，且[图]=2，则[图]= ....

【填空题】设3阶矩阵A的特征值为1，-1，2，则=_______．

【填空题】若3维列向量满足，则矩阵的特征值__________.

【填空题】三阶行列式，则元素的余子式为______，元素代数余子式______.

【填空题】写出图中对应绳结的名称 123456

【填空题】3、电路如图所示。uo=( )ui1+( )ui2，

【填空题】3、74LS161输出如图所示。此时CO=（ ）。

【填空题】Complete the following sentences according to the first letter given. （1）All guests are to return their visitor passes when leaving the school c_________. （2）The inn gift shop stocks quality Indian crafts and s_________. （3）His new sport car is bright v_________. （4）The cliff was almost v_________. （5）He may be d _________ at football, but he is very clumsy on the dance floor.

【填空题】Task2. Listen to the following dialogues and fill in the blanks. Chris Gardner：I’ve been sitting there for last half-hour trying to come up with a story that would explain my being here dressed like this. And I wanted to come up with a story that would 1. _________qualities that I’m sure you all admire here, like earnestness or 2. __________. Team-playing, something. And I couldn't think of anything. So the truth is...I was arrested for failure to pay parking tickets. Jay Twistle：parking 3. ________？ Chris Gardner：And I ran all the way here from the Polk Station, the police station. Mr. Frohm：Jay? Jay Twistle：Yes, sir. Mr. Frohm：How many times have you seen Chris? Jay Twistle：I don’t know. One too many, apparently. Mr. Frohm：Was he ever dressed like this? Jay Twistle：No. No. Jacket and tie. Chris Gardner：Can I say something? I’m the type of person if you ask me a question, and I don't know the answer I’m gonna tell you that I don’t know. But I bet you what. I know how to find the answer, and I will find the answer. Is that 4. _______ enough? Mr. Frohm：Chris, what would you say if a guy walked in for 5. _______without a shirt on and I hired him? What would you say? Chris Gardner：He must’ve had on some really nice pants.

【填空题】Gap-filling Directions: Fill in the blanks in the following paragraph. (Chris sees Mr. Jay Twistle outside of the office building and strike up a conversation.) JAY TWISTLE: Taxi! CHRIS GARDNER: Mr. Twistle. JAY TWISTLE: Yeah, hi. CHRIS GARDNER: Hi. Chris Gardner. JAY TWISTLE: Yeah, hi. Listen. What can I do for you? CHRIS GARDNER: I submitted an application for the intern program about a month ago ... and I would just love to sit with you briefly ... JAY TWISTLE: Listen, I’m going to Noe Valley, Chris. Take care of yourself. CHRIS GARDNER: Mr. Twistle. Actually, I’m on my way to Noe Valley also. How about we s 1 a ride? JAY TWISTLE: All right, get in. CHRIS GARDNER: All right. So when I was in the Navy, I worked for a doctor who loved to play golf, hours every day ... and I would actually p 2 medical procedures ... when he’d leave me in the office. So I’m used to being in a p 3 where I have to make decisions and ... Mr. Twistle, listen. This is a very important ... JAY TWISTLE: I’m sorry. I’m sorry. This thing’s i 4 . CHRIS GARDNER: I can do it. JAY TWISTLE: No, you can’t. No one can. That’s bullshit. CHRIS GARDNER: No, I’m pretty s 5 I can do it. JAY TWISTLE: No, you can’t. CHRIS GARDNER: Let me see it. Give it here. Oh, yeah. Oh, wow, you really m 6 it up. JAY TWISTLE: Sorry. CHRIS GARDNER: It looks like it works around a swivel, so the center pieces never move. So if it’s yellow in the c 7 , that’s the yellow side. If it’s red in the center, that’s the red side. JAY TWISTLE: Okay. CHRIS GARDNER: So ... You can s 8 down. JAY TWISTLE: Listen, we can drive a 9 all day. I don’t believe you can do this. CHRIS GARDNER: Yeah, I can. JAY TWISTLE: No, you can’t. CHRIS GARDNER: Yes, I can. JAY TWISTLE: No, you can’t. I’m telling you, no one can. See? That’s all I ever do. You almost have this s 10 . Holy cow. You almost had that one. CHRIS GARDNER: I’m gonna get it. JAY TWISTLE: Look at that. You’re almost there.

【填空题】按第三强度理论计算图示单元体的相当应力______MPa 。