[单选题]已知某酶的Km为0.05mmol/L,试问要使此酶所催化的反应速度达最大反应速度的80%时,底物浓度应是A.0.1mmol/LB.0.2 mmol/LC.0.4mmol/LD.0.5mmol/LE.0.6 mmol/L
[多选题]除了过劳肥这些“职业病”,职场女性还可能存在哪些健康问题A、卵巢早衰B、内分泌失调C、不孕D、妇科炎症E、子宫肌瘤
[判断题]凡单笔画与字根相连者或带点结构都 视为杂合型.( )
[多选题]注射白喉抗毒素的同时,又接种白喉类毒素,关于这种免疫的说法错误的有A、人工自动B、人工被动C、自然自动D、自然被动E、人工自动被动免疫
[单选题](A3)A.MORE THAN WILLPOWER.B.SUPPORT NETWORK.C.CHANGING YOUR ENVIRONMENT.D.START SLOW.E.FIRST THINGS FIRST. WE ALL KNOW THAT BREAKING A BAD HABIT OR ESTABLISHING A NEW, HEALTHY ONE CAN BE DIFFICULT, BUT PERSISTENCE PAYS OFF.RESEARCHERS AT THE UNIVERSITY OF WASHINGTON FOUND THAT 63 PERCENT OF THOSE WHO MADE NEW YEARS RESOLUTIONS WERE STILL KEEPING THEIR RESOLUTION TWO MONTHS LATER.ITS NOT GOING TO BE EASY, BUT THERE ARE WAYS TO INCREASE YOUR WILLPOWER, STAY RESOLVED AND ACHIEVE YOUR GOALS. (A1)______ DONT TRY TO RESTRUCTURE YOUR FINANCES, WIN A PROMOTION AND LOSE WEIGHT ALL ON THE SAME MORNING.ESTABLISH ONE CLEAR, SPECIFIC GOAL AND FORMULATE A REALISTIC STRATEGY FOR ACHIEVING IT.EXTRA WILLPOWER SOMETIMES REQUIRES EXTRA ENERGY, SO DONT STRETCH YOURSELFTOO THIN.FOCUS ON ONE GOAL AT A TIME. (A2)______ MOMENTUM BUILDS GRADUALLY, AND WHATEVER YOUR GOAL, DONT EXPECT TO ACHIEVE IT OVERNIGHT.REAL SUCCESS TAKES TIME.IF YOU ARE TRYING TO KICK A CAFFEINE HABIT, START BY REPLACING YOUR MORNING CUP OF COFFEE WITH A GLASS OF WATER, INSTEAD OF VOWING NEVER TO DRINK COFFEE AGAIN.CONGRATULATE YOURSELF ON THE SMALL ACHIEVEMENTS THAT WILL PAVE THE WAY TOWARD A LARGER ONE.THESE SUCCESSES HELP YOUR WILL POWER GROW. (A3)______ BOLSTER YOUR WILLPOWER BY TAPPING INTO A SUPPORT NETWORK.ASK FRIENDS, FAMILY OR COLLEAGUES FOR ASSISTANCE AND TELL THEM EXACTLY HOW THEY CAN HELP.IF YOUR CREDIT CARD BILLS HAVE SKYROCKETED, FOR INSTANCE, LET FRIENDS KNOW THAT YOU ARE CUTTING BACK ON EXPENSES.SUGGEST HAVING A POTLUCK DINNER INSTEAD OF MEETING AT AN EXPENSIVE RESTAURANT.FIND A SUPPORT GROUP OR ORGANIZATION RELATED TO YOUR GOAL AND ATTEND THEIR MEETINGS.YOU CAN GET VALUABLE ADVICE, UNDERSTANDING AND INFORMATION—ALL OF WHICH INCREASE COMMITMENT AND WILLPOWER. (A4)______ IF POSSIBLE, ALTER YOUR ENVIRONMENT TO REDUCE TEMPTATION OR ENCOURAGE POSITIVE BEHAVIOR.WANT TO GET IN SHAPE? KEEP AN EXTRA SET OF WORKOUT CLOTHES IN YOUR OFFICE AS A REMINDER TO STOP BY THE GYM ON THE WAY HOME.QUITTING SMOKING? AVOID BARS OR RESTAURANTS WHERE YOU MIGHT BE TEMPTED TO LIGHT UP. (A5)______ SOMETIMES CHANGING YOUR BEHAVIOR. REQUIRES MORE THAN WILLPOWER.IF YOU ARE STRUGGLING WITH AN ADDICTION OR WANT TO MAKE A SIGNIFICANT LIFESTYLE. CHANGE, SEEK THE GUIDANCE AND SUPPORT OF A PROFESSIONAL.AN EXPERT MAY BE ABLE TO PROVIDE INTENSIVE SUPPORT AND FOLLOW-UP OR PRESCRIBE MEDICATION TO REDUCE PHYSICAL SYMPTOMS.FOR EXAMPLE, WITHOUT HELP ONLY 5 PERCENT OF SMOKERS CAN QUIT BUT THAT NUMBER RISES TO 30 PERCENT WHEN PEOPLE SEEK BOTH DRUG THERAPY AND COUNSELING. SOMETIMES WILLPOWER IS A LOT LIKE THE TELEVISION REMOTE CONTROL—HARD TO FIND JUST WHEN YOU WANT IT MOST.WHETHER YOURE TRYING TO LOSE WEIGHT, STOP SMOKING, GET TO THE GYM REGULARLY, WIN A PROMOTION OR PAY OFF SOME DEBTS, DEVELOPING YOUR SENSE OF WILLPOWER IS AN IMPORTANT PART OF CHANGING ANY BEHAVIOR.
[多选题]根据CAPM模型,下列说法正确的是( )A只有落在证券市场线上的点才是被合理定价的B落在证券市场线之上的点所代表的证券价值是低估的C落在证券市场线的点所代表的证券价值是高估的D落在证券市场线之下的点所代表的证券价值是高估的
[单选题]GB/T5009.179-2003规定,抽提用无水甲苯鱼肉中的三甲胺,与苦味酸作用,形成( )的苦味酸三甲胺盐.A.橙色B.红色C.黄色D.红褐色
[多选题]喉和喉咽部CT检查方法正确的是A、层厚和层间距5mmB、摄取侧位定位片基线与声带平行C、仰卧、下颌上抬D、范围自舌骨上会厌下缘至环状软骨上缘E、扫描时不能做吞咽动作和讲话
[单选题]健康教育诊断的基本步骤中,管理与政策诊断的核心内容是A.了解社会问题与健康问题的相关性B.确定目标人群的主要健康问题以及引起健康问题的行为因素和环境因素C.确定导致目标人群疾病或健康问题发生的行为危险因素D.为确定干预的环境目标奠定基础E.组织评估和资源评估
[单选题]使用一个像素为320万的数码相机时,它所拍摄的数字图像能达到的最大分辨率是( ).A.1280×960B.1920×1440C.2048×1536D.2560×1920
[多选题]钩体病败血症期的症状和体征有A、寒战、高热B、头痛、全身肌肉疼痛,腓肠肌压痛C、全身软弱无力D、眼结膜充血,全身浅表淋巴结肿大E、脾脏明显肿大
[单选题]机箱自带了一种铜制的一头是螺丝,一头是螺帽的螺柱是用来( )A.固定主板B.固定显卡C.将主板与机箱间隔离用的D.固定硬盘
[单选题]授权的步骤不包括A.选择授权对象B.明确授权内容C.形成上下沟通渠道D.为被授权者排除工作障碍E.确定授权形式
[问答题]高速旋转机构对润滑方面有何要求?在装配时的注意事项是什么
[名词解释]“5W1H”经营谋略法则
[单选题]获得投标价格的目的,就是为了( ) .A.得到最低价格B.制定标单C.审核供应商D.评价供应商
[单选题]根据保安押运过程中是否使用枪支可划分为武装押运和( ).A:汽车押运B:长途押运C:非武装押运D:短途押运
[单选题]前列腺特异性抗原的英文代号是A.AFPB.AFUC.PSAD.NSEE.CA50
[单选题]TDD频段中,中国规划的39频段的上行工作频段是( ).A.1900MH正确——1920MH正确B.2010MH正确——2025MH正确C.1850MH正确——1910MH正确D.1880MH正确——1920MH正确
[单选题]有关细胞因子的论述,不正确的是A.由活化的免疫细胞分泌的B.所有免疫细胞均可分泌C.具有多种生物学功能的分子D.只能由活化的免疫细胞分泌E.作用具有复杂性
[判断题]粘度是润滑油选择的一项主要性能依据,粘度大的润滑油流动性差,能承受的载荷也小,油膜也难以形成.( )