电解含下列离子的水溶液，若阴极析出相等质量的金属，则消耗的电量最多的是 A．Ag

（2012•广东）已知递增的等差数列{a_n}满足a₁=1，a₃=a₂²﹣4，则a_n=　_________　．

某公司以前主要生产塑料制品，经营状况不理想。后来注意到，影视作品及电视广告中出现的家庭居室多使用各色塑料百叶窗，这种现象渐成时尚。于是公司推出了各种款式、尺寸、颜色的百叶窗，取得了不错的经营业绩。该公司的这一调整是对下列哪种环境要素所作的何种反应？（）

A．对技术环境的利用与引导。

B．对经济环境的利用与引导。

C．对社会文化环境的适应。

D．对经济环境的适应。

集体谈判的特征有（）。

A.集体谈判制度承认劳动关系的双方在谈判中的法律地位和权利是平等的

B.集体谈判制度体现了其在劳动关系调整中的自治性和灵活性

C.集体谈判是调整既有劳动关系的有效方式

D.集体谈判是促进产业和谐的重要手段

E.集体谈判是通过民主协商进行的

完形填空（共20小题；每小题1.5分，满分30分）

阅读下面短文，从短文后各题所给的A、B、C和D四个选项中，选出空白处的最佳选项，并在答题卡上将该项涂黑。

One day I jumped into a taxi and took off for the airport．                        

We were driving in the right lane   36   suddenly a black car jumped out of a parking space  

37   in front of us．My taxi driver immediately put his foot on the   38 ．The taxi slid a short distance quickly and   39   the other car by just inches! The driver of the black car moved his head around and started   40   at us．My taxi driver just smiled and waved at the guy; and I mean he was  41   friendly, which is truly beyond my expectation.

42   I asked, “Why did you just do that? This guy almost  43   your car and sent us to the   44  !” This is when my taxi driver  45   me what I now call “the Law of the Garbage Truck.”

He   46   that many people are like garbage trucks．They run around full of garbage, disappointment, frustration (挫败感) and   47 ．As their garbage   48  , they need a place to dump (丢弃) it and sometimes they’ll dump it on   49 ．Just smile, wave, wish them well, and move   50 ．Don’t take it   51 ．Don’t take their garbage and   52   it to other people at work, at home or on the streets．                               

The   53   line is that successful people don’t let garbage trucks take over their day．Life’s too short to wake up in the morning with   54  , so “Love the people who treat you   55 ．Pray for the ones who don’t”．

36．A．as     B．when        C．before      D．while

37．A．even  B．still   C．right  D．only  

38．A．brakes      B．airbags     C．seats  D．gases

39．A．left   B．hit     C．attacked    D．missed

40．A．nodding    B．looking     C．yelling      D．frowning

41．A．really       B．exactly     C．almost      D．rarely 

42．A．Since       B．So     C．But   D．Yet 

43．A．blocked    B．ruined      C．passed      D．followed

44．A．airport      B．prison       C．court D．hospital

45．A．returned   B．showed    C．taught       D．brought

46．A．imagined  B．explained  C．argued      D．advised

47．A．doubt       B．eagerness  C．anger D．panic

48．A．piles up    B．breaks down     C．runs out    D．cuts down

49．A．none B．me    C．themselves       D．you

50．A．on     B．along C．in      D．out

51．A．formally   B．personally C．immediately     D．permanently

52．A．save  B．present     C．offer D．spread

53．A．finish      B．life    C．front D．bottom

54．A．losses       B．regrets     C．dreams     D．plans

55．A．well  B．differently       C．actively    D．hard

工程项目建设在实施阶段中的工作内容是（）。

A．投资机会研究

B．设计

C．试生产

D．项目施工