[单选题]胰岛素是体内唯一的升血糖激素.( ) A.正确 B.错误
[单选题]下列关于扑热息痛的叙述,错误的是 A.抗炎抗风湿作用较弱 B.有较强的解热镇痛作用 C.主要用于感冒发热 D.长期应用可致肾毒性 E.不良反应少,但能造成肝损害
[单选题]听力原文: Man: My secretary tells me that you'd like to know something about mechanical engineering. What I can do is give you some idea of the variety of specialties within the field. Woman: I'd appreciate that very much. Man: One of the oldest mechanical engineering areas is machine design. First, we need to know the purpose, of a particular machine, whether it's a crane or a tool or a steam engine. Then, if we know the loads that this machine will carry, we can make the most efficient use of the materials we have. Woman: I see. Is heating included in this fieldMan: Oh, yes. Heating, refrigeration, and air conditioning rely quite a lot on thermodynamics and theories of heat transfer. The goal is to make the most efficient use of power. This area can be quite involved with mathematics. Woman: I've heard of the Carnot cycle. Does this concern the mechanical engineerMan: Very much so. The whole field of internal combustion engines is based on the principles set out by Carnot. The mechanical engineer deals with two and four-cycle engines, gasoline and diesel engines, gas turbines, and the like. Woman: Isn't that part of automotive engineeringMan: Yes. This is one of our largest industries. Woman: What about the aircraft industryMan: Of course. Aeronautical engineering became a very large field with the widespread use of airplanes. Now, with space travel, it promises to grow even larger. Woman: Well, you've been most helpful, sir. Man: Not at all. Come in again. 27.Why has the woman come to the man's place28.What is the man's field of research29.Which of the following subjects is involved in mechanical engineering30.Who was Carnet according to the man(47) A.She is planning to buy a refrigerator. B.She is interested in fashion design. C.She wanted to know something about a subject. D.She asked the man to help her find a job.
[单选题]马歇尔——勒纳条件在考虑到收入效应时,其条件形式将更加( )A.严格B.宽松C.没有改变
[多选题]甲向乙发出订立合同的要约,下列各项中,可使甲发出的要约失效的情形有( ). A.乙将拒绝要约的通知送达甲 B.承诺期限届满,乙未作出承诺 C.乙对要约的内容作出实质性变更 D.乙接受了要约内容
[单选题]It can be inferred from the passage that______. A.many of the students require smaller classes than usual in the institutions B.most college admissions officials cannot predict how many students will commit to enrolling in their institutions by May 1 this year C.many of the students are increasingly applying to multiple institutions to make their choices by May 1 this year D.in typical years, most colleges require students to apply and commit to their institutions
[判断题]矿山企业职工无权获得作业场所安全和职业危害方面的信息.( )
[判断题]酌量性固定成本相对于业务量和特定的管理决策行为均是固定的.
[判断题]某单位出纳填写¥6007.14金额的票据时,写为了“人民币陆仟零柒元壹角肆分”,该出纳人员的写法是错误的.( )
[单选题]( )又称工序能力或工艺能力,它是指过程处于受控或稳定状态下的实际加工能力.通俗地说,它是过程能稳定地生产合格产品的能力,即满足产品质量要求的能力. A.加工能力 B.制造能力 C.生产能力 D.过程能力
[多选题]填埋场中填埋的可降解有机物在( )假设条件下计算得到填埋场的理论产气量. A.有机物完全降解矿化 B.基质和营养物质均衡,满足微生物的代谢需要 C.主要降解产物为CH4和CO2 D.碳元素可用于微生物的细胞合成
[单选题]国内某家电生产商,2009年实现主营业务收入净额50亿元,实现净利润8亿元.已知公司2009年年初资产总额为60亿元,年末资产总额为70亿元,年初应收账款余额为11亿元,年末为10亿元.根据以上资料,回答下列各题:该公司本年度的资产净利率为( ). A.10.0% B.12.3% C.19.2% D.20.0%
[单选题]商品的本质属性是( ). A.使用价值 B.交换价值 C.价值 D.剩余价值
[单选题]标准离差是反映随机变量离散程度的一个指标,但它只能用来比较期望报酬率相同的各项投资的风险程度.( ) A.正确 B.错误
[多选题]我国《票据法》规定的票据包括汇票、本票和支票.票据具有以下功能( ). A.支付功能 B.信用功能 C.结算功能 D.融资功能
[多选题]工程施工合同中承包人的主要义务包括( ).A.按合同要求的工期完成并交付工程B.负责保修期内的工程维修C.负责对分包的管理,并对分包方的行为负责D.组织进行图纸会审和设计交底E.按合同规定主持和组织工程的验收
[多选题]1927年8月7日,中共中央在汉口秘密召开紧急会议,确定了__的方针.A、土地革命B、武装起义C、成立苏维埃D、国共合作
[单选题]若理财师为刘芳女士做了如下投资建议,即35%的金融资产投资于人民币理财产品(预计年收益6%),30%的金融资产投资于平衡型基金(预计年收益12%),35%的金融资产投资于股票型基金(预计年收益18%),若刘女士采纳了该建议,则其金融资产收益率可达到( ). A.10% B.11% C.12% D.13%
[单选题]如你在山沟里行走遭遇泥石流或山洪暴发,应当( ).A.沿山沟向山下快速奔跑B.原地大声呼救C.迅速离开山沟,往两岸高地走
[判断题]每个操作员必须有自己的密码,并在操作权限内进行操作
[单选题]若需在某道工序中控制该齿轮材料的强度,则要求控制该工序的( ). A.双侧公差 B.公差中心 C.上限公差 D.下限公差