题目

关于永动机和热力学定律的讨论，下列叙述正确的是（ ） A . 第二类永动机违反了能量守恒定律 B . 如果物体从外界吸收了热量，则物体的内能一定增加 C . 热机有可能把从单一热源吸收的热量全部变成有用的功 D . 一切有关热现象的宏观过程都具有方向性 答案：DA person should eat right，get some exercise，or he or she will look terrible in 25 years.And if the person drinks and smokes? Even____．That's the message from Blue Cross Blue Shield.The ____，called “Future You”，uses a digital camera and computer to compare a person's current image with his or her future ____ without changes in bad habits.“Smoking can ___ your skin，” said Anna，a creative operation manager，“You can see what the results of the toxins(毒素) and the chemicals in____are.” Along with the potentially____sight of one's older self，Future You offers science­based____on what to eat，how much to exercise and other ways to ____ your health.But will it work? Too ____ to tell was the verdict(意见) of Anna.“I want to see some data！” she said.Generally，Anna said，men show____concern about their appearance than women.“Women say，‘That looks like my ____on the screen，’” she said.“Men are more likely to ____，‘Yeah，go ahead.Put it on Facebook.’” The project was raised more than a year ago to improve the overall(总体的) health of the people who are ____ of this company.In addition，the growth in the ranks of ____customers would bring down the overall cost of health care.In coming weeks，two new ones will be ___ in locations such as the American Tobacco Campus and the Museum of Natural Science.If users ____，their information will be stored as secrets without names to create a database of good and bad ___．The process is free and the response is not ____，at least according to Valencia Robertson，one of a line of people who waited to ____ the instrument on Thursday.“I'm good，” Robertson said after ____ her future image.“It's not going to be a big difference.”【小题1】A．easierB．happierC．bitterD．worse【小题2】A．instrumentB．pictureC．placeD．structure【小题3】A．wealthB．characterC．appearanceD．education【小题4】A．reflectB．botherC．ruinD．affect【小题5】A．cigaretteB．beersC．medicinesD．foods【小题6】A．confusingB．convincingC．depressingD．exciting【小题7】A．opinionB．plansC．thoughtD．advice【小题8】A．breakB．damageC．preserveD．change【小题9】A．possibleB．naturalC．earlyD．clear【小题10】A．deeperB．lessC．higherD．stronger【小题11】A．sonB．fatherC．daughterD．mom【小题12】A．guessB．sayC．doubtD．wonder【小题13】A．customersB．managersC．secretariesD．cleaners【小题14】A．cautiousB．smartC．carelessD．generous【小题15】A．showing upB．thought outC．sold outD．dying out【小题16】A．knowB．agreeC．comeD．listen【小题17】A．habitsB．choicesC．methodsD．plans【小题18】A．niceB．coolC．strangeD．bad【小题19】A．repairB．sellC．tryD．buy【小题20】A．drawingB．viewingC．picturingD．imaging