化简：（1）2a+2（a+1）﹣3（a﹣1）； （2）﹣3（2x2﹣4xy）+4 发布时间：2017-05-17 00:14 │ 来源：www.tikuol.com 题型：计算题 问题： 化简：（1）2a+2（a+1）﹣3（a﹣1）； （2）﹣3（2x2﹣4xy）+4（x2﹣3xy﹣6）．
题型：计算题 完形填空。 A businesswoman got into a taxi in midtown. As it was the rush hour and she was in a __1__ to catch a train, she __2__ a quick way to reach it. "I have been a taxi driver for 15 years!" the driver said __3__. "You don't think I know the best way to go?" The woman tried to explain that she hadn't __4__ to annoy him, but the driver kept __5__. She finally realized that he was too annoyed to be __6__, so she changed her __7__. "You know, you are right," she told him. "It must seem __8__ for me not to think you know the best way __9__ the city." __10__, the driver glanced at his __11__ in the rearview mirror, turned down the street she wanted and got her to the train on time. "He didn't say another word the rest of the ride," she said. "__12__ I got out and paid him. Then he thanked me." When you find yourself __13__ with people like the taxi driver, you will always try to __14__ your idea. It can lead to longer arguments, lose job chances or __15__ marriages. I havediscovered one simple __16__ extremely unlikely method that can prevent the disagreement orother difficult situations from __17__ in a disaster. The __18__ is to put yourself in the other person's shoes and look for the __19__ in whatthat person is saying. Find a way to __20__, and the result may surprise you.( )1.A. hurry ( )2.A. chose ( )3.A. jokingly ( )4.A. supposed ( )5.A. apologizing( )6.A. reasonable ( )7.A. road ( )8.A. strange ( )9.A. across ( )10.A. Surprised ( )11.A. rider ( )12.A. until ( )13.A. satisfied ( )14.A. give up ( )15.A. combine ( )16.A. and ( )17.A. lying ( )18.A. problem ( )19.A. fact ( )20.A. agree B. rush B. made B. angrily B. expected B. driving B. thoughtful B. mind B. wrong B. in B. Worried B. speaker B. after B. concerned B. turn down B. destroy B. that B. resulting B. importance B. meaning B. argue C. moment C. found C. anxiously C. meant C. asking C. normal C. direction C. terrible C. through C. Annoyed C. helper C. because C. crowded C. stick to C. suffer C. but C. setting C. key C. expressionC. explain D. way D. suggested D. curiously D. decided D. shouting D. practical D. manner D. stupid D. along D. DisappointedD. comer D. since D. faced D. point out D. divide D. though D. leading D. reply D. truth D. escape 查看答案
题型：计算题 口袋内装有10个不同的球，其中5个球标有数字0，5个球标有数字1，若从袋中摸出5个球，那么。(1)摸出的5个球所标数字之和小于2的概率是P；(2)摸出的5个球所标数字之和大于3的概率P． 查看答案
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