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第二节完形填空(共20小题;每小题1分,满分20分) 阅读下面短文,掌握其大意,然后从第21—40各题所给的四个选项(A、B、C和D)中,选出最佳选项,并在答题卡上将该项涂黑。 I had my first job at a local diner when I was twenty-two.There 1 worked for seven years and learned many lessons,   21   from a fellow waitress Helen, who did what she loved —   22 people.She made everyone smile and feel good. Being a waitress   23   my life.One of my 24 customers was Fred Hasbrook, an electronics salesman.  25   the confidence I picked up from Helen, I dreamed of having my own restaurant.  26 ,when I called my parents to ask for a loan, they said, 'We just don't have the money.' The next day, Fred saw me and asked, 'What's wrong, sunshine?' I 27 my dream with him and said, 'Fred, 1 know 1 can do more if somebody would just have   28   in me.' He walked over to some of the other diner regulars and the next day handed me checks totaling $50,000 —along with a   29 , reading: 'The only collateral (担保物) on this loan is my trust in your   30   as a person.Good people with a dream should have the _ _31 to make that dream come true.' I took the   32   to Men-ill Lynch, where the money was invested for me. But my investments failed and 1 lost the money. I found myself   33   what it would be like to be a stockbroker(股票经济人).1 decided to 34    a position at Men-ill Lynch, abrokerage(经纪人事务所).35   I had no experience, I was hired and ended up becoming a pretty good broker.I paid back Fred and my   36   the $50,000, plus 14-percent annual interest. I got a thank-you note from Fred, which I will   37   forever.He had been sick and wrote that my check had helped   38   his medical bills.His letter read, 'That loan may have been one of the best   39    .Who else could have invested in a counter 'girl' and watch that investment mature into a very   40   career woman?' 21. A.specially       B.especially        C.naturally D.generally 22. A.serving B.amusing   C.helping     D.greeting 23. A.affected        B.bettered   C.changed   D.benefited 24. A.ordinary        B.normal     C.regular     D.common 25. A.But for B.A part from     C.Regardless of   D.Thanks to 26. A.Therefore      B.However C.Instead     D.Besides 27. A.exchanged     B.discussed C.designed D.shared 28. A.faith      B.enthusiasm      C.interest     D.patience 29.A.notice      B.note C.passage    D.sign 30.A.modesty   B.honesty    C.pride       D.confidence 31.A.opportunity     B.ability      C.responsibility   D.talent 32.A.notes       B.letters      C.bills D.checks 33.A.worrying about       B.caring about    C.learning about        D.thinking about 34.A.adapt to   B.give up    C.apply for D.take over 35.A.Even though   B.In case     C.Now that D.as though 36.A.workmates      B.parents     C.customers        D.friends 37.A.possess    B.treasure    C.enjoy       D.recall 38.A.fill   B.spend       C.offer        D.cover 39.A.investments     B.interest    C.checks     D.profits 40.A.important        B.experienced     C.successful        D.hardworking
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【判断题】三羧酸循环中有4次氧化反应,2次脱羧反应。
A.
正确
B.
错误
【单选题】有关三羧酸循环的叙述错误的是()
A.
是生成NADPH的主要环节
B.
是三大营养素彻底氧化的最终通路
C.
发生2次脱羧4次脱氢和1次底物水平磷酸化
D.
是糖、脂肪、氨基酸代谢联系的枢纽
E.
循环中柠檬酸合酶、异柠檬酸脱氢酶和α-酮戊二酸脱氢酶复合体催化的反应是不可逆的
【单选题】关于三羧循环的叙述错误的是
A.
一次循环有2次脱氢4次脱羧
B.
一次循环中只有一次底物水平磷酸化
C.
每次循环中有三步不可逆反应
D.
琥珀酰CoA是α-酮戊二酸氧化脱羧的产物
E.
一次循环生成12分子ATP
【单选题】关于三羧酸循环的叙述错误的是
A.
过程中有4次脱氢反应,2次脱羧反应
B.
过程中生成1分子GTP
C.
为三大营养物质彻底氧化分解的共同途径
D.
可为其他合成代谢提供小分子前体
E.
1mol乙酰CoA经三羧酸循环彻底氧化及线粒体氧化磷酸化共产生36或38molATP
【单选题】()是我军鲜明的特色和政治优势。
A.
作风优良
B.
能打胜仗
C.
听党指挥
D.
勇于创新
【简答题】(题干)某25日龄鸭群,精神沉郁,严重下痢,眼、鼻分泌物增多,呼吸困难,濒死期神经症状明显,角弓反张,病程1?3天,发病率40%,病死率70%。剖检见心包、肝和气囊表面有大量纤维素性渗出物,其他脏器无眼观病变。该病最可能的诊断是( )A.鸭巴氏杆菌病 B.鸭浆膜炎 C.鸭病毒性肠炎 D.鸭病毒性肝炎 E.鸭绦虫病 确诊该病应首先进行的是( )A.鸡胚接种 B.细菌分离培养 C.试管凝集试验 D.E...
【单选题】有关三羧酸循环描述错误的是( )
A.
三羧酸循环中所有酶都位于线粒体的基质,除 了 琥珀酸脱氢酶
B.
丙酮酸在有氧条件下进入 TCA 被分解为 CO2 ,在无氧条件下转变为 乙醇 或者 乙酸
C.
在三羧酸循环中催化底物水平磷酸化的酶是 琥珀酰硫激酶 ,该酶属于 EC 分类中的 转移 酶 类。
D.
三羧酸 循环有 4 次脱氢反应, 2 次受氢体为 NAD+ ; 2 次受氢体为 FAD 。
【单选题】对心脏毒性最大的抗血吸虫病药是
A.
吡喹酮
B.
氯喹
C.
酒石酸锑钾
D.
硝硫氰胺
E.
呋喃丙胺
【单选题】关于三羧酸循环的叙述错误的是
A.
过程中有4次脱氢反应,2次脱羧反应
B.
过程中生成l分子GTP
C.
为三大营养物质彻底氧化分解的共同途径
D.
可为其他合成代谢提供小分子前体
E.
1mol乙酰CoA经三羧酸循环彻底氧化及线粒体氧化磷酸化共产生36或38mol ATP
【单选题】关于三羧酸循环的叙述错误的是
A.
一次循环有2次脱氢4次脱羧
B.
一次循环中只有1次底物水平磷酸化
C.
每次循环中有三步不可逆反应
D.
琥珀酸COA 是a-酮戊二酸氧化脱羧的产物
E.
1次循环生成12分子ATP
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