题目

气候变化与生态系统的碳循环密切相关。下表为A、B两个不同时期陆地生态系统与大气环境的碳交换情况。 （1）生态系统碳的吸收主要是通过______作用实现的，碳的释放主要是通过_____作用实现的。 （2）表中_______时期的生态系统处于稳定状态，原因是______。 （3）由于过度的人工碳排放，破坏了生态系统的________,导致大气中_____增加并引起全球气候变化。 （4）人们正在积极开发新能源以减少碳排放。如“叶绿素太阳能电池”是模仿类囊体吸收光能1．Many of us have characteristics that are inherited from our families．Maybe we have our father's eyes or our grandmother's hair color-（51）Bfeatures that result from the genes we inherit．But there are other elements of our personalities such as behaviors and viewpoints that we pick up by （52）Dour parents．Perhaps we have picked up our mother's love of cleaning or our dad's sense of humor．Now，researchers at the University of Michigan believe there may be a specific viewpoint we can thank our parents for：the way we （53）Awork．    The researchers referred to previous studies that identified three main ways of viewing work．First，there are job-oriented （以求职为目的）people，those who （54）Cto see their job as simply a way to make money．They（55）Cto clocking out（打卡下班）every day and pursuing fun activities （56）Athe office．If you have a job-oriented father，you may view work this way．（57）C，if you grew up close to your mother you probably will not hold this viewpoint．One possible （58）Bcited by the study：Youngsters that grow up close to their mothers are less likely to view work as just a job．    Second，there are career-oriented（追求事业型的）people who see their job as a place to find （59）Dand gain a sense of （60）BThese are the people who don't （61）Cworking overtime．In fact，some people love their jobs so much that they become workaholics!They are more comfortable in the office than at home．According to the study，being close to a career-oriented father while growing up means there's a good chance you'll share his perspective．Oddly，having a mother with this viewpoint seems to have little （62）A    Third，there are calling-oriented workers-folks who view their job as a way to make a （n） （63）Dimpact upon the world．They are more （64）Bwith improving the world around them than earning a large salary．In the study，those who expressed a strong calling （天职）orientation came from homes where both parents were calling-oriented．This suggests that adolescents need the support of both parents in order to have the confidence to put （65）Afirst and career success second．    The good news is-we still have choice．Whether we share our parents'views of work or not，we can still find a career that suits us．51．A．medicalB．physicalC．biologicalD．mental52．A．stimulatingB．neglectingC．implyingD．modeling53．A．viewB．thinkC．evaluateD．comment54．A．attemptB．manageC．tendD．offer55．A．pay attentionB．are opposedC．look forwardD．are devoted 56．A．outsideB．insideC．upsideD．downside57．A．OtherwiseB．ThereforeC．HoweverD．Moreover58．A．observationB．explanationC．negotiationD．instruction59．A．salaryB．companyC．directionD．achievement60．A．trustB．identityC．despairD．urgency61．A．likeB．resistC．mindD．consider62．A．influenceB．evidenceC．performanceD．justice 63．A．objectiveB．negativeC．subjectiveD．positive64．A．familiarB．concernedC．anxiousD．combined65．A．personal idealsB．economic profitsC．professional achievementsD．global development