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    晚上考试想搜题怎么办


    waving hands and ( )are common greeting manners all over the world.

    when you meet acquaintances in public places, you should raise your ( )hand to greet and nod.

    among the greeting manners, we chinese are most interesting. we usually ask: ( )

    a usual introduction includes a( ), a hand shake, an exchange of names and a few words about one’s work.

    when somebody greet you: “ nice to meet you!” . you should respond:( )

    in western, male may take off his hat to greet others.

    when you meet a close friend, use formal greetings.

    this is important to know because the person of lesser rank or authority should always be introduced to the person of higher rank or authority.

    the taboo diction when we are greeting foreigners are:( )

    when you introduce yourself to others, you should mention the following personal information:( )

    upon entering college, we have begun a new ( ) in which everyone is on the same starting line.

    “for most students, it's a stellar transcript that opens doors into great jobs or great graduate schools.” in this sentence, the “stellar transcript” means: ( )

    follow a passion that doesn't relate to your ( ). just let yourself really learn from your environment.

    in college, you should learn to be ( ).

    college is a new and different experience for you.

    when you entering college, your education is not very serious business.

    membership fee includes the monthly and yearly fee.

    you don’t have to learn to enjoy the hardship at college.

    ( ) and ( ) are necessary for college students.

    which one is correct? ( )

    the problem that you describe to your doctor is called ( ).

    which is not a ball sport? ( )

    if you can not accept an invitation to a sport match, you may respond: ( )

    the person who works in a pharmacy and gives instructions of taking medicine is called a ( ).

    extreme sports are those sports which involve a high level of danger.

    in most cases, there is no need to make an appointment in advance when you are uncomfortable and need to see a doctor.

    if you have a temperature, you may take a fever reducer.

    extreme sports are also called ( ).

    which are included in talking with a doctor? ( )

    how many cuisines are there in china?

    ( ) that can helps us grow bones and muscle.

    ( ) is the second of a dish of western food.

    which food contains more sugar? ( )

    knife and spoon are placed to the left of the plate.

    the process of dinner reservation includes calling to make a dinner reservation, telling the detailed information about the dinner reservation and confirming.

    there are five elements in a dinner reservation we should mention.

    which are drinks?( )

    the process of dinner reservation, it can be ided into( ) .

    ( ) people eat what they can find locally.

    when the sun shines brightly, we can say it’s a ( ) day.

    it’s raining cats and dogs. it means ( ).

    in ( ), the weather is changeable.

    in china’s snow town, the snow period is up to ( ) every year.

    ( ) is the capital of heilongjiang province.

    british spies usually carry a black umbrella.

    in april, there’s a good chance of fine weather for outdoor ceremonies and garden parties.

    snowflakes have six angles and crystal clear.

    in china’s snow town, you can try ( ).

    there are all kinds of specialty foods in china’s snow town, like ( ).

    there are over ( ) halls and rooms in the imperial palace.

    hollywood is located in the northwestern downtown in( ), california.

    the height of burj al arab is ( ).

    the speed of high-speed train is over ( ).

    matreshka doll also known as a russian nesting doll or a babushka doll.

    jingpo lake is the famous scenic spot and summer resort in north of china, also known as "the north of the west lake".

    the world’s fastest train is japan’s shinkansen.

    there is no charge for refunding tickets at any time before the train leaves.

    what are the typical scenic spots in the temple of heaven?

    china’s new four great inventions include ( ) .

    ( ) disadvantages of shopping online are introduced in the mini-lecture.

    shopping online usually includes ( ) steps according to the mini-lecture.

    30% off means ( ) in chinese.

    when you bargain in the outdoor market, you had better use ( ) according to the mini-lecture.

    we should always take the final offer from the seller seriously.

    “buy one get one free” means that consumers buy two products for free.

    “what do you recommend?” is similar to “do you have any good suggestions?”

    when you want to buy one item and pay for it, what should you say? ( )

    you should never use ( ) as your log-in password and payment password.

    ( ) is the person who takes care of your teeth.

    if a building caught fire, whom will you call for help to pull it out.

    when your work environment is too noisy, ( ) is necessary for you.

    an important part of interview preparation is to take the time to yze the ( ) .

    a blue-collar worker is a member of working class, who performs mental work.

    while working, we needn’t break long task into 3 or even more easy steps.

    while communicating, your gestures should match your tone.

    interview also has been described as a “question and answer” forum.

    what does an application letter include?

    use the company’s ( ) to gather as much information as possible.

    针对训练按照玻尔理论,当氢原子中电子由半径为ra的圆轨道跃迁到半径为nb的圆轨道上时,若n
    氢原子的核外电子从距核较近的轨道跃迁到距核较远的轨道过程中

    氢原子辐射出一个光子后,根据玻尔理论,下列说法中正确的是

    一个氢原子从n=3能级跃迁到n=2能级,该氢原子

    对原子轨道叙述错误的是

    s轨道和p轨道杂化的类型不可能有

    原子轨道组合成分子轨道的线性组合三原则是 (1)轨道总数保持不变,参与组合的原子轨道数目必须等于分子轨道数目 (2)对称性匹配,即原子轨道对称性匹配时才能组成分子轨道 (3)原子轨道必须沿着最大重叠的方向成键 (4)原子轨道的能量必须相近

    价键理论和分子轨道理论相比,主要局限在于

    关于σ键和π键,下列叙述错误的是

    下列示意图表示乙烯中的c-h成键轨道,最合理的是

    sp3杂化轨道的几何形状为

    关于色散力的描述中,不正确的是

    顺-2-丁烯(1)和反-2-丁烯(2)经催化加氢都生成丁烷,下列哪张图正确地反映了上述两个反应过程中的能量变化(横坐标为反应进程)?

    下列哪张图正确表达了上述反应过程中的能量变化(横坐标表示反应进程)?

    提高可逆反应产率,可采用下列哪种方法

    在一个吸热的两步的反应a→b→c中,第一步速度较慢,则整个反应的能量曲线是:

    在三步反应a→b→c→d中,第二步最慢,第三步最快,则该反应的能量曲线为

    甲基自由基的碳原子采用sp2杂化,如下哪个结构图能准确代表其结构?

    下列碳正离子最稳定的是:

    下列碳负离子最稳定的是

    下列碳正离子最稳定的是

    下列哪种碳正离子的稳定性最好

    下列哪些不是自由基反应的特征?

    自由基反应中化学键发生

    将甲烷先用光照射,再在黑暗中与氯气混合,不能发生氯代反应。其原因是

    烷烃卤代的中间体是什么?

    在自由基反应中,链增长(也叫链转移)这个步骤的特点有 (1)链增长反应至少由两步组成 (2)链增长中每一步都不能是强吸热的 (3)链增长中每一步都要产生一个自由基 (4)链增长各步反应相加后应等于总反应

    在甲烷卤代制氯甲烷的反应中,如果甲烷气体中有少量o2存在,那么少量o2对甲烷氯代反应的影响是

    烯炔在哪个条件下,其亲电加成按反马氏规则进行。

    在甲烷自由基氯代反应的链增长过程中,反应速率决定步骤为

    在下列各反应条件下,唯一可以生成氯乙烷的是

    hbr与3,3-二甲基-1-丁烯加成生成2,3-二甲基2-溴丁烷的反应机理是

    烯烃与溴化氢亲电加成是通过什么历程来进行的

    下列化合物中,可能是d-a反应的产物是

    下列二烯烃中,既可以发生1,2-加成反应,又可以发送1,4-加成反应的是

    下列二烯烃中,属于共轭二烯烃的是

    下列化合物最易发生亲电取代反应的是

    下列化合物中,稳定性最大的是

    下列分子或离子中,没有芳香性的是

    根据休克尔规则,下列分子或离子具有芳香性的是

    下列哪个现象与sn反应机理吻合?

    在亲核取代反应中,下列哪个实验现象属于sn1机理

    卤代烷与naoh在水与乙醇混合液中进行反应,下列现象中,属于sn1历程的是

    下列负离子中,亲核性最强的是

    卤离子①i-,②br-,③cl-在卤代烃种离去能力的相对大小为

    下列叙述中,有利于按sn2历程反应的是

    以下关于s1反应的描述中,错误的是

    下列各化合物经e2历程生成烯烃的相对活性最高的为

    卤代烃和醇的消除反应取向,通常遵循

    卤代烃的亲核取代和消去是同时进行、相互竞争的,强碱、高温有利于消去反应

    能发生羟醛缩合的醛一定是

    下列醛中,α-氢原子活性最大的是

    羟醛缩合反应是指

    醛和酮分子中的α-氢原子比较活泼,其原因是

    下列反应可用于增长碳链的是

    能发生羟醛缩合的醛必须是

    at the isoelectric point, the net charge of the protein molecule is 0.

    all the proteins have quaternary structure.

    the principle of salt precipitation, precipitation of proteins is ( )

    the main chemical bond that maintains the alpha-helical structure of the protein is( )

    the advanced structure of the protein depends on ( )

    the physical and chemical properties shared by proteins and amino acids are: ( )

    the properties of denatured proteins are ( )

    protein denaturation is because ( )

    primary structure of protein ( )

    which of the following are acid amino acids? ( )

    tm is directly related to the gc content of dna and ionic strength.

    rrna is the site for protein biosynthesis.

    in a dna molecule, if the molar ratio of a is 17.2%, the molar ratio of c should be ( )

    the key part of dna molecule to store and tranit genetic information is ( )

    the force to maintain the lateral stability of dna double helix is ( )

    the changes in dna denaturation are: ( )

    the histones that make up the core particle of nucleosome are ( )

    the biological functions of nucleotides in vivo include ( )

    vitamins are a class of high molecular organic compounds

    too much or too little fat-soluble vitamin can cause disease

    vitamin a deficiency can cause ( )

    the vitamins containing metal elements are ( )

    the fat soluble vitamins are ( )

    vitamin d deficiency can cause ( )

    which of the following are the active forms of pantothenic acid ( )

    which of the following statements about vitamins is wrong ( )

    the higher the km value of the enzyme, the lower the affinity to substrate.

    all the enzymes have coenzymes or prosthetic groups.

    the difference between coenzyme and prosthetic group is ( )

    the mechani of enzymatic reaction is ( )

    which of the following is true about isoenzymes ( )

    the function of the essential group in the enzyme molecule is ( )

    covalent modifications of enzymes include ( )

    the characteristics of noncompetitive inhibition are ( )

    the reduced form of flavin adenine dinucleotide is ( )

    factors affecting oxidative phosphorylation include: ( )

    which of the following is an energy-requiring step of glycolysis?

    which of the following are primary substrates for gluconeogenesis?

    how much atp can be produced by 1-acetyl-coa through the tca cycle?

    which of the following pathway are only carried out in cytopla?

    the hormones that raise blood sugar are ( )

    the physiological functions of pentose phosphate pathway include ( )

    hmg-coa lyase is the key enzyme in the formation of ketone bodies.

    the raw materials for fatty acid synthesis are ( )

    which of the following step is not the process of β-oxidation of fatty acid?

    the main reason that ketone body can't be oxidized in the liver is the lack of

    which of the following statements about ketones are correct?

    cholesterol can be transformed into ( )

    which of the following statements are true about cm?

    the co-factors needed in the process of fatty acid β - oxidation are: ( )

    sam is the transport carrier of one carbon units.

    the main source of blood ammonia is ( )

    the main transportation forms of ammonia between tissues are ( )

    the metabolic routes of the α – keto acids removed from amino acids by deamination contain ( )

    the main forms of one carbon unit are ( )

    glutamate plays an important role in protein metaboli because: ( )

    prpp is involved in the following metabolic pathways ( )

    the products of pyrimidine nucleotide cataboli are ( )

    in the process of dna biosynthesis, leading strand is synthesized in the 5' to 3', and the lagging strand is synthesized in the 3' to 5' .

    the primers in dna replication are ( )

    the raw materials for dna synthesis are ( )

    dna templates can be used directly for ( )

    characteristics of dna replication contain ( )

    during transcription, only one strand of dna is used as template.

    the mrna produced by transcription in prokaryotes is ( )

    in the dna double strand, the strand that guides the synthesis of rna is called ( )

    the promoter which can be recognized by rna polymerase whole enzyme is located ( )

    which of the following is not a structural component of a transcription bubble in prokaryotes ( )

    the substances needed for rna biosynthesis are ( )

    intron means ( )

    the functions of e.coli rna-pol include ( )

    which of the following molecules are the products of transcription ( )

    one genetic codon only encodes for one amino acid, and each amino acid is specified by one codon.

    he enzyme that catalyzes trna to carry amino acids is ( )

    the number of codons encoding 20 amino acids is ( )

    the process of translation initiation complex formation excluds ( )

    how many translation initiation factors in prokaryote?

    prolongation of each amino acid residue in the new peptide chain need ( )

    which of the followings are the properties of the genetic code?

    which of the following molecules are needed in translation of eukaryotes?

    which of the following groups of bile acids are primary bile acids ( )

    which of the following statements about biotransformation is wrong ( )

    in biotransformation, the most important enzymes involved in oxidation are ( )

    factors which can affect biotransformation contain ( )

    the first phase of biotransformation includes ( )

    the compounds containing iron porphyrins are ( )

    which of the following are the properties of conjugated bilirubin ( )

    which of the following technologies is not protein chromatography ( )

    which of the following is not a common method for protein content determination ( )

    which of the following reagent cannot be used as a component of the sample loading buffer in sds-page ( )

    the principle of ammonium sulfate precipitation of protein is ( )

    in pcr reaction, the annealing temperature is generally set as ( )

    危重病医学是一门研究()的学科。

    临床麻醉工作的工作重点是()。

    icu是指()。

    危重病医学诞生于()。

    急诊医学主要包括()。

    麻醉学内涵主要涉及()。

    急诊医学的范畴包括危重病医学。()

    危重病医学的专业医师需要具备多学科的基本知识和临床实践基础。()

    心肺脑复苏技术不属于危重病医学的内容。()

    icu是专门为外科服务的。()

    allen's试验大于()秒,不宜选用桡动脉作穿刺插管。

    成人无创测压的袖带宽度应为上臂()。

    中心静脉压的英文简写是()。

    中心静脉压低于()表示血容量不足。

    nibp的优点是()。

    中心静脉穿刺的并发症有()。

    血压瞬时波形可以()。

    脉压代表()。

    中心静脉压是指腔静脉与右心房交界处的压力,反映右心前负荷的指标。

    血压的产生主要受到心脏,血管及血容量三方面因素及其相互作用的影响。

    心室舒张末期最低值时的动脉血压是诊断高血压的重要指标。

    甲亢患者高血压通常表现为舒张压升高。

    嗜铬细胞瘤的患者手术前增加血容量和扩血管;手术后立即缩血管。

    动脉压力波形快速地上升和下降代表心脏收缩射血。

    绝对高血压为收缩压/舒张压大于140/90mmhg。

    ()是目前测量中心温度最准确的部位。

    体温低于()常出现心室颤动。

    体温过低会导致()。

    测温部位可分为()和()。

    临床上常用外周皮肤温度作为血管疾病的指标。

    腋温比口腔温度高0.3~0.5℃。

    体温改变迅速时,直肠温度反应较快。

    脑产热量最多,温度接近38℃。

    机体核心部分与表层部分的比例是固定不变的。

    口腔、腋窝温度虽接近于中心温度但麻醉中不易管理,故不宜于麻醉中应用。

    儿童和青少年的体温略低于成年人。

    老年人基础代谢降低体温低于成年人。

    正常人体温在24小时内呈周期性波动。

    昏迷患者可以测量口腔温度。

    不适合使用无创通气的是()。

    最佳peep是指()。

    防止氧中毒,持续纯氧吸入时间一般不超过()。

    正压通气具备的基本功能是()。

    撤离呼吸机的方法包括()。

    多发性肋骨骨析的患者可以使用正压通气。()

    机械呼吸类型可分为四类:指令(控制)、辅助、支持和自主呼吸。()

    辅助/控制呼吸通气方式适用于需完全呼吸支持的患者。 ()

    simv不适用于无自主呼吸的患者。()

    psv能提供恒定的潮气量。()

    反比通气通过延长吸气时间使i:e≥1:1,最高可达4:1。()

    ards患者一般选择较小的潮气量和较快的呼吸频率。()

    copd患者应延长吸呼比。

    潮气量过大更易容易引起肺损伤。()

    高震荡通气适用于各类ards患者的常规治疗。()

    输血最常见的并发症是()。

    术中发生溶血反应的最早征象是()。

    血小板的主要功能是()。

    全血的有效成分主要是()。

    冷沉淀物的主要成分是()。

    输血的适应证包括()。

    输血后发热反应原因是()。

    1小时内输血量相当于患者血容量的1/2为大量输血。()

    输血最重要的目的是补充红细胞改善氧的运输能力。()

    围术期血红蛋白<100g/l时需要输注红细胞。()

    溶血反应可在输血后即刻发生,也可发生在输血后2~21天。()

    低血容量性休克、创伤或手术引起的快速大量出血是大量输血的指征。()

    冷冻红细胞可长期保存,适用于稀有血型。

    大量输入库存血可引起dic。()

    拒绝接受同种异体输血的患者可以使用自体失血回收。()

    复张性肺水肿可能与()有关。

    ()和()是防止肺水肿的制约因素。

    ()因素可以引起高通透性肺水肿。

    误吸时发生肺组织损伤程度与()直接相关。

    急性肺水肿最典型的临床表现是()。

    肺泡水肿时,表现为()。

    诊断肺水肿的“金标准”是()。

    急性肺水肿时维持气道通畅的方法是()。

    用于治疗急性肺水肿的作用是()。

    下列治疗肺水肿的方法()是错误的。

    过量所致肺水肿的相关机制是()。

    ()因素可引起肺水肿。

    急性肺水肿的治疗原则包括()。

    心源性与非心源性肺水肿的鉴别点是()。

    ()可有效治疗有机磷中毒引起的急性肺水肿。

    心肺复苏时,医护人员检查呼吸和脉搏时间不超过()。

    成人cpr的顺序为()。

    胸外按压的幅度为()。

    胸外按压的频率为()。

    单人施行cpr时,按压通气比为()。

    双人施行cpr时,婴儿按压通气比为()。

    在实施cpr前,要确认环境是否安全。()

    cpr过程中不应搬动患者并尽量减少中断。()

    每次按压后,双手放松使胸骨恢复到按压前的位置,双手可以离开胸壁。()

    在一次按压周期内,按压与放松时间各为50%。()

    按压时目光聚焦在患者胸部。

    怀疑颈部脊髓损伤时用双手推举下颌法。()

    心肺复苏时,人工通气频率为每分10~12次。()

    口对鼻人工呼吸 一般用于婴幼儿和口腔外伤者。()

    识别心脏骤停后应尽早进行电除颤。()

    运输的基本功能包括哪些?

    ( )最适合运送急需物质、鲜活商品、精密仪器以及贵重物品。

    按运输中途是否换载分类,国际货物运输分为( )。

    按运输中途是否换载分类,国际货物运输分为( )。

    在班轮运价表中用字母“m”表示的计收标准为( )

    国际贸易货物在国际货物运输中的形态有哪些?

    cy-cy运输条款下进口时,cy经营人责任期限是( )。

    国际海运集装箱按用途不同可以分成不同类型的集装箱,其中“ fr ”代表 ( )。

    cy-cy集装箱运输条款是指( )。

    提单记载cy-cy运输条款,但在提单交货地一栏内未记载具体交货地点,收货人提出由承运人支付卸港至内陆交货地的拖箱费,但船公司认为cy-cy运输条款由收货人自行承担内陆拖箱费。

    集装箱运输单证有( )。

    集装箱装载危险货物托运订舱时,必须随附"危险货物说明书"或"危险货物技术证明书"。

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