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【单选题】
Q4: What color is the girl going to wear for her next competition?___
A. Red .
B. Blue .
C. Green .
D. Yellow .
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相关试题
【单选题】
Q1: What is this passage mainly about?___
A. Superstitions and science .
B. Tips on how to have good luck .
C. Superstitions in the United States .
D. Rational and superstitious societies .
【单选题】
Q2: According to the passage, what is considered as bad luck?___
A. Walking under a ladder .
B. Dreaming of a black cat .
C. Hanging a mirror in the house .
D. Stepping on one's own shadow .
【单选题】
Q3: Why is it considered bad luck to see a black cat crossing one’s path?___
A. Because black cats look like witches . e witches .
B. Because black cats were thought to be witches .
C. Because black cats bring seven years of bad luck .
D. Because black cats are hard to notice in darkness .
【单选题】
Q4: According to the passage, what will bring people good luck?___
A. Breaking a mirror on purpose .
B. Catching a falling leaf on one's birthday .
C. Finding a on the ground and picking it up .
D. Dreaming of blowing out the candles in one blow .
【单选题】
Q1: How long will the woman spend on her way to and from work by high-speed train?___
A. 4 hours .
B. 2 hours .
C. 1.5 hours .
D. 45 minutes .
【单选题】
Q2: When does the woman arrive back home by subway?___
A. At 8 .
B. At 7 .
C. At 6 .
D. At 5 .
【单选题】
Q3: According to the woman, in what way will the new high-speed train be a big help to her?___
A. She can either read or rest a little on the  train .
B. She can read and respond to emails onthe  train .
C. She can travel to many different parts of  the city .
D. She can go shopping on her way home  from work .
【单选题】
Q4: How will the new high-speed train affect the man?___
A. He can take the train to the old part of the  city .
B. He can save a lot of money when he takes  the train .
C. He can save 20 minutes to go to work with  the train .
D. He can take the train to the airport instead  of driving .
【单选题】
Q1: How much time on average do Americans spend on their way to work?___
A. About an hour .
B. More than an hour .
C. About half an hour .
D. More than one and a half hours .
【单选题】
Q2: What is the present situation about Americans’ commuting to work?___
A. More and more Americans spend over an  hour getting to work .
B. Over 10 percent of Americans spend less  than an hour getting to work .
C. Only New York people spend more than  90 minutes getting to work .
D. Over 10 percent of Americans spend more  than 90 minutes getting to work .
【单选题】
Q3: Why does Steven choose to have an extreme commute?___
A. Because gas prices are not high .
B. Because the commute is not tiring .
C. Because he can attend a better school .
D. Because he can have his favorite lifestyle .
【单选题】
Q4: Which of the following is the disadvantage of long commutes?___
A. Traffic jams .
B. Expensive housing .
C. Poorer life quality .
D. A tiring and boring trip .
【单选题】
Q1: What did Katy like about Jason’s last Halloween party?___
A. She liked playing an interesting game .
B. She enjoyed seeing many of her old friends .
C. She enjoyed wearing her Halloween costume .
D. She liked the decorations in Jason's front yard .
【单选题】
Q2: What is the actual reason that Katy doesn’t want to attend Jason’s party?___
A. None of her friends likes Jason .
B. None of Jason's guests is young .
C. She wants to go to Linda's party ..
D. She went to Jason's party last year .
【单选题】
Q3: What is special about Linda’s party?___
A. The party will last four hours .
B. Six people will attend the party .
C. They will have huge bags of candy .
D. They will play a new game called "GuessWho ".
【单选题】
Q4: What will Katy do to solve her problem?___
A. Go to Jason's party .
B. Go to Linda's party .
C. Attend both Jason's and Linda's parties .
D. Celebrate Halloween with her parents .
【单选题】
Q1: What is special about this year’s Black Friday shopping?___
A. Some stores offered bigger holiday discounts .
B. Some stores provided more choices of nightlife.
C. Some stores made efforts to attract young people .
D. Some stores opened much earlier than they used  to .
【单选题】
Q2: Why did some stores open at midnight on Thanksgiving night?___
A. To attract young customers .
B. To beat other stores for sale.
C. To let people sleep late the next day .
D. To keep people stay up for the night .
【单选题】
Q3: How many Black Friday shoppers were reported to go to the shops at midnight this year?___
A. 24 percent .
B. 37 percent .
C. 9.5 percent .
D. 23.5 percent .
【单选题】
Q4: What can we learn about the 15-year-old Jenny?___
A. She and her cousins went back home at midnight .
B. She liked the traditional 4 a.m. Black Friday.
C. She preferred midnight shopping to early  morning shopping .
D. She and her cousins got up very early to buy  discounted items .
【单选题】
Q1: Why did the woman decide to do a triathlon?___
A. Because she did it in college .
B. Because she wanted to be tough .
C. Because her sister did it and liked it .
D. Because her sister said it was good for her .
【单选题】
Q2: When did the man first do a triathlon?___
A. Last year .
B. In college .
C. Last week .
D. In high school .
【单选题】
Q3: How does the man feel about running?___
A. Boring.
B. Scaring .
C. Exciting .
D. Interesting .
【单选题】
Q4: Why doesn’t the woman like swimming in the triathlon?___
A. Because she fears that a big fish might eat  her .
B. Because she fears that she would get lost in  lakes .
C. Because she doesn't want to scare away  small fishes .
D. Because she doesn't like swimming with  many people .
【单选题】
Q1: What is the ratio of positive to negative emotions that can make a person happier?___
A. 1:3.
B. 3 :1.
C. 1 :10 .
D. 10 :1.
【单选题】
Q2: What is the most exciting finding about increasing positive emotions?___
A. It improves relationships .
B. It leads to greater success .
C. It helps develop creativity .
D. It contributes to good health .
【单选题】
Q3: What does the speaker say about negative feelings?___
A. People should turn every negative feeling  around .
B. Negative feelings can sometimes have  positive effects .
C. Negative feelings often cause people to  make mistakes .
D. People should never show negative feelings  in public places .
【单选题】
Q4: What is the main idea of the passage?___
A. People should learn to manage their  emotions .
B. People should be patient with their  negative feelings .
C. People should learn to analyze causes of  unhappiness .
D. People should identify as many positive  feelings as possible .
【单选题】
Q1: What are the man and woman talking about?___
A. Whether nature is magical and kind .
B. Whether nature is powerful and full of risks .
C. Whether Christopher was well prepared for the trip .
D. Whether Christopher's trip to Alaska was  worthwhile .
【单选题】
Q2: What can we learn about Christopher?___
A. He made a film about his trip to Alaska .
B. He wrote a story about his trip to Alaska .
C. He died while having an adventure in Alaska .
D. He learned how powerful and risky Alaska was .
【单选题】
Q3: What does the woman think about Christopher taking the trip to Alaska?___
A. He was too foolish .
B. He was really romantic .
C. He had a very kind heart .
D. He had a spirit for trying things .
【单选题】
Q4: Which of the following is NOT mentioned as something that would have saved Christopher’s life?___
A. A gun to hunt .
B. The map of the area .
C. Emergency food supplies .
D.
E. mergency communication equipment .
【单选题】
Q1: What speed can an avalanche reach within five seconds of taking off?___
A. At 8 miles an hour .
B. At 18 miles an hour .
C. At 80 miles an hour .
D. At 88 miles an hour .
【单选题】
Q2: According to the passage, under what circumstances may an avalanche occur?___
A. There are too many layers of snow on the  .
B. There is a layer of snow covering an entire  area .
C. The top layer of snow slides off the layer  below it .
D. The layer of snow below the surface  becomes unstable .
【单选题】
Q3: What are skiers advised to do to avoid being caught in an avalanche?___
A. Ski only in the official ski areas .
B. Look for solid snow to walk on .
C. Look out for each other while skiing .
D. Learn to control themselves in an  avalanche .
【单选题】
Q4: Why does the ski patrol use explosives?___
A. To dig holes in the snow .
B. To close the area for skiing .
C. To make an avalanche move on purpose .
D. To' check how different layers are holding  up .
【单选题】
Q1:What is conversation mainly about?___
A. The woman's happy college life the  man's doubt .
B. The woman's spending habits and the  man's concerns .
C. The man's reminding the woman of the  exam this Thursday .
D. The man's support for the woman over the  past 15 years .
【单选题】
Q2:What did the woman do last night?___
A. She bought a new leather coat .
B. She studied very hard for an exam .
C. She treated all her friends to dinner .
D. She went to a concert with her friends .
【单选题】
Q3:Where did the woman get the money?___
A. She just received her student loan .
B. She saved some money for herself .
C. She borrowed the money from her friends .
D. She asked her mom to send her the money .
【单选题】
Q4:What is the man?___
A. A teacher of biology .
B. An undergraduate student .
C. A freshman in biology class .
D. A graduate teaching assistant .
推荐试题
【单选题】
以下哪种心脏病发生心衰不宜用强心甙治疗___
A. 心脏瓣膜病所致心衰
B. 高血压所致心衰
C. 动脉硬化所致心衰
D. 缩窄型心包炎所致心衰
【单选题】
强心苷主要用于___
A. 慢性心功能不全
B. 室性心律失常
C. 传导阻滞
D. 心绞痛
【单选题】
强心苷中毒出现室性早搏是由于心肌细胞内___
A. 低钾高钙
B. 低钙高钾
C. 低氯高钙
D. 低镁高钠
【单选题】
强心苷治疗心力衰竭的直接作用是___
A. 心率减慢
B. 降低心肌耗氧量
C. 利尿作用
D. 正性肌力作用
【单选题】
强心苷对哪种心功能不全疗效最好___
A. 甲亢引起的心功能不全
B. 二尖瓣狭窄引起的心功能不全
C. 伴有房扑、房颤的心功能不全
D. 贫血引起的心功能不全
【单选题】
强心苷的正性肌力作用是由于___
A. 兴奋心肌β受体
B. 兴奋心肌α受体
C. 抑制Na+-K+-ATP酶
D. 直接兴奋心脏
【单选题】
强心苷中毒最早出现的症状是___
A. 色视
B. 厌食、恶心和呕吐
C. 房室传导阻滞
D. 神经痛
【单选题】
强心苷最主要、最危险的毒性反应是___
A. 过敏反应
B. 胃肠道反应
C. 中枢神经系统反应
D. 心脏毒性
【单选题】
强心苷的神经系统毒性典型症状是___
A. 共济失调
B. 周围神经炎
C. 视色障碍
D. 震颤麻痹
【单选题】
属于适度阻滞钠内流的钠通道阻滞药是___
A. 利多卡因
B. 普罗帕酮
C. 维拉帕米
D. 奎尼丁
【单选题】
属于轻度阻滞钠内流的抗心律失常药是___
A. 普鲁卡因胺
B. 利多卡因
C. 奎尼丁
D. 溴苄胺
【单选题】
属于重度阻滞钠内流的抗心律失常药是___
A. 利多卡因
B. 维拉帕米
C. 普罗帕酮
D. 苯妥英钠
【单选题】
属于钙拮抗药的抗心律失常药是___
A. 普罗帕酮
B. 苯妥英钠
C. 普鲁卡因胺
D. 维拉帕米
【单选题】
阻滞钾外流,延长动作电位时程的药是___
A. 胺碘酮
B. 维拉帕米
C. 苯妥英钠
D. 利多卡因
【单选题】
抗室性心律失常的首选药是___
A. 普萘洛尔
B. 利多卡因
C. 普鲁卡因胺
D. 普罗帕酮
【单选题】
低血钾时强心甙中毒引起的室性心律失常应首选___
A. 苯妥英钠
B. 利多卡因
C. 美西律
D. 丙吡胺
【单选题】
胺碘酮引起的最严重不良反应是___
A. 甲状腺功能紊乱
B. 肺纤维化
C. 心律失常
D. 胃肠反应
【单选题】
阵发性室上性心动过速首选___
A. 利多卡因
B. 维拉帕米
C. 普罗帕酮
D. 苯妥英钠
【单选题】
静脉给药是室速及室颤的首选药___
A. 胺碘酮
B. 维拉帕米
C. 苯妥英钠
D. 利多卡因
【单选题】
能引起金鸡钠反应的药物是___
A. 胺碘酮
B. 普鲁卡因胺
C. 奎尼丁
D. 普萘洛尔
【单选题】
关于利多卡因药理作用的描述错误的是___
A. 明显阻滞钠通道
B. 轻度阻滞钠通道
C. 促进钾外流
D. 直接作用于心脏
【单选题】
维拉帕米不用于治疗___
A. 心绞痛
B. 严重心衰
C. 高血压
D. 房颤
【单选题】
利多卡因对哪种心律失常无效___
A. 急性心肌梗死引起的室性心律失常
B. 阵发性室性心动过速
C. 室颤
D. 房颤
【单选题】
苯妥英钠最佳的适应症是___
A. 室性心动过速
B. 房颤
C. 房室传导阻滞
D. 强心苷中毒引起的心律失常
【单选题】
不能用于治疗心律失常的药物是___
A. 奎尼丁
B. 普萘洛尔
C. 维拉帕米
D. 氢氯噻嗪
【单选题】
IA类药对Na+及K+的影响为___
A. 适度减少Na+内流
B. 明显减少Na+内流
C. 二者均明显减少
D. 二者均明显增加
【单选题】
利多卡因降低自律性的机制是___
A. 促进4相K+外流
B. 抑制4相Ca2+
C. 促进O相K+外流
D. 阻断受体
【单选题】
利多卡因主要作用于___
A. 窦房结
B. 房室结
C. 心室肌
D. 希-浦系统
【单选题】
属于IB类的搞心律失常药为___
A. 奎尼丁
B. 普鲁卡因胺
C. 利多卡因
D. 维拉帕米
【单选题】
对伴低血钾的心律失常效果差,需先补钾的是___
A. 普萘洛尔
B. 利多卡因
C. 维拉帕米
D. 胺碘酮
【单选题】
苯妥英钠搞心律失常作用原理是___
A. 促进Na+外流
B. 抑制Na+内流和促进K+外流
C. 促进Na+内流
D. 抑制Ca2+内流
【单选题】
对强心苷中毒伴低血钾的心律失常先___
A. 利多卡因
B. 普萘洛尔
C. 苯妥英钠
D. 维拉帕米
【单选题】
机体缺铁时可导致___
A. 红细胞中血红蛋白含量减少
B. 白细胞计数减少
C. 细胞体积减少,颜色加深
D. 全血减少
【单选题】
铁剂可用于治疗___
A. 巨幼红细胞性贫血
B. 溶血性贫血
C. 小细胞低色素性贫血
D. 再生障碍性贫血
【单选题】
华法林可引起___
A. 心功能不全
B. 手足搐搦
C. 自发性出血
D. 二重感染
【单选题】
下列哪项不是铁剂的不良反应___
A. 便秘
B. 粒细胞减少
C. 胃肠道反应
D. 急性中毒时可引起休克
【单选题】
关于肝素抗凝血作用特点的叙述,正确的是___
A. 仅在体内有效
B. 仅在体外有效
C. 体内、体外都有效
D. 仅口服有效
【单选题】
为促进口服铁剂的吸收,可采用___
A. 用牛奶送服
B. 用茶水送服
C. 同服NaHCO3
D. 同服稀盐酸和VitC
【单选题】
维生素K没有下列哪项不良反应___
A. 大剂量可导致血栓形成
B. 诱发溶血性贫血
C. 诱发新生儿黄
D. 诱发新生儿高胆红素血症
【单选题】
维生素K的拮抗剂是___
A. 肝素
B. 双香豆素
C. 链激酶
D. 尿激酶
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