-2(x-y)2n-4(y-x)2n+1(n为正整数).

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问题:

-2(x-y)2n-4(y-x)2n+1(n为正整数).

考点:因式分解
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在整个加工过程中产品不动,设备按作业顺序移动,是()布置。

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After winning a big game, athletes are often asked how they feel. Usually athletes say how (1) it is to win this big game. On the contrary, the fact is that losing a big game, or in my case, all the games, can be even harder.
From the spectators’ point of view, last year’s basketball (2) for my high school team was nothing (3) of an embarrassment. And (4) 0 and 20 is certainly nothing to be proud of, that season had a bigger impact on me than any other. As a team captain, I knew it probably wouldn’t be the (5) year, but did I ever think we would lose every game Of course not. Since six of our top players had graduated, it was clear that we were a (n) (6) team who would struggle. The struggle began earlier than expected, (7) , as our team center was suspended (禁赛) for the season, and two key members decided to (8) for some reason. At this point, dropping out probably passed through every player’s mind, but in the end, we all stuck if out, (9) to work still harder.
Then there came a time when even our (10) and given up on us. Personally, I felt like it was (11) worthwhile giving my all. I thought, if even the coach doesn’t believe in us, why should I But just as my hope began to (12) , a teammate called a meeting. He said," Nobody thinks we are going to win, but, as teammates and friends, we (13) it to each other to go all out every game. "
It was that moment that (14) me how to be a leader. It hit me that I certainly didn’t (15) the role. As a leader you can never quit (16) the team who looks up to you. It is one (17) to be named captain, feel great and go through the motions, but it is quite another to be a real captain and make sure everyone realizes their full (18) all the time.
I am sure it is great to go through without losing and bringing home awards. But in all honesty, I (19) the fact that my team lost every game last year. It may not help me to become a better basketball player, but it already has made me a better leader, and (20)

A.hoping
B.swearing
C.claiming
D.wishing

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何谓护患关系?其基本模式有哪些?

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我行信用卡网球服务内容()。

A.网球畅打体验

B.网球贵宾礼遇

C.一网打尽——最惠星期二

D.专业网球培训

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根据病变、空洞、痰菌变化情况,将结核病灶活动性分为:()

A.进展期

B.好转期

C.稳定期

D.硬结期

E.浸润期

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