刷题
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【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 .
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答案
B
解析
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相关试题
【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 .
【单选题】
Q1: What is this passage mainly about?___
A. How businesses can compete with each  other .
B. How small businesses operate during  holidays .
C. How small businesses manage holiday  workers .
D. How can earn more money  during holidays .
【单选题】
Q2: According to Rubin, what can small companies do to thank holiday workers?___
A. Have talks with their families .
B. Give them good extra benefits .
C. Offer them expensive holiday tokens .
D. Show appreciation to them face to face .
【单选题】
Q3: What can small business owners do to help holiday workers get into the holiday spirit?___
A. Entertain them with big meals .
B. Let them enjoy some holiday games .
C. Give them handmade thank-you cards .
D. Send their families some holiday gift cards .
【单选题】
Q4: Who are supposed to benefit most from this passage?___
A. Workers who have to work during  holidays .
B. Employees who intend to earn extra  money .
C. Big companies that usually close on  holidays .
D. Small businesses that try to be more  competitive .
【单选题】
In the first two paragraphs of the passage the writer tries to tell us that___
A. he had lived in Washington D.C. for twenty years
B. he was very imaginative when he was a child
C. he had fond memories of his old neighborhood
D. )he had come from a very poor neighborhood
【单选题】
The writer ,as a child ,was very fond of playing in the basement because ___
A. it was bright and alive
B. it contained a movie house and a space station
C. it was ideal for playing hide-and-seek
D. it was surrounded by trees and flowers
【单选题】
How did the writer feel when he visited his old neighborhood in Washington D.C. ?___
A. Greatly surprised .
B. Very regretful .
C. Quite excited .
D. Very sad .
【单选题】
On his visit to his hometown ,the writer found the old apartment building___
A. see medunfit to live in
B. had been repaired
C. could hardly be recognized
D. looked dirty and smelt horrible
【单选题】
" Youcan never go home again "inthe last sentence of this passage means that___
A. one should never revisit his hometown after many years of absence
B. one will never find his hometown the same as it was in his childhood memory
C. avisit to one's hometown will bring back one's fond memories of home
D. avisit to one's hometown will bring back many sad memorie
【单选题】
We learn from the passage that Tracy died___
A. on December 8,1992
B. of brain damage
C. 24 hours after he fell off the roof of a car
D. in a car crash
【单选题】
Tracy's parents decided to donate Tracy's organs because___
A. Tracy told them to do so just before he died
B. they wanted to save others the pain of seeing a dear one die
C. David's life could continue in a meaningful way
D. they knew David was suffering from a hopeless liver disease
【单选题】
The meeting between the writer's family and Tracy's parents was arranged because___
A. the writer and her husband wished to express their thanks to Tracy's parents 
B. the local organ bank wanted to see how both families felt about the donation 
C. Tracy's parents wanted to see someone whose life had been saved by the donation
D. the two families were linked by the most bittersweet ties imaginable
【单选题】
The writer and her husband learned how Tracy died___
A. from his parents
B. from the organ bank
C. from the hospital
D. from the doctor who performed the operation
【单选题】
The meeting between the two families helped to ease the Marshes'suffering because___
A. they saw that David looked very much like their son
B. they saw that David had regained health with Tracy's liver
C. they now had someone to share their memories of Tracy
D. they now knew for sure they had done the right thing
【单选题】
The writer's first marriage was unsuccessful because___
A. her husband often woke her up at midnight
B. her husband kept criticizing her
C. she was so unattractive
D. she had a self-esteem problem
【单选题】
When the writer asked for a divorce ,her husband___
A. told her that she would never find one who loved her as he did
B. delayed two years before giving her a reply
C. accused her of having an affair
D. said that she was unattractive and not worth loving
【单选题】
When the writer first met Clint ,she felt that___
A. she should have listened to her friend and met Clint earlier
B. Clint was a nice ,dazzling young man
C. Clint could not be really interested in her
D. she would find true love in Clint
【单选题】
The writer was particularly touched by Clint because___
A. he loved her children and asked for their approval of the marriage
B. he said that he could not imagine a life without her and the children 
C. he believed that at 2 and 4 ,the two children were the "menof the house "
D. hekept her company and talked with her until the next morning
【单选题】
The writer's marriage to Clint is important to her mainly because___
A. it gave her and her sons a second chance to live a happy life 
B. every day Clint would tell the writer that he loved her
C. it helped her to regain her self respect
D. it made her children happy ,which is all she cared about in life
【单选题】
What was Goodall's childhood dream ?___
A. She dreamed of going to college .
B. She dreamed of studying animals in Africa .
C. She dreamed of becoming a scientist .
D. She dreamed of traveling all around the world .
【单选题】
What did Goodall's mother think of her dream ?___
A. As a girl she should not go to the African jungle .
B. Her dream would remain a dream unless she got the right training .
C. As a girl she should stay away from violent animals .
D. She could make her dream come true if she was determined .
【单选题】
Goodall's most important discovery was that___
A. some animals use tools
B. like humans animals have emotions
C. chimpanzees could attack each other violently
D. termites are chimpanzees'favorite food
【单选题】
Goodall's success is chiefly due to her___
A. exceptional talents
B. scientific training
C. determination and patience
D. enthusiasm and good luck
【单选题】
What is Goodall doing now ?___
A. Studying animal behavior at Cambridge University .
B. Raising funds for the preservation of wildlife .
C. Observing chimpanzees in African jungles .
D. Working hard supervising postgraduate students.
【单选题】
___是我们理解当前所处历史方位的关键词。
A. 新时期
B. 新时代
C. 重要战略机遇期
D. 关键期
【单选题】
中国特色社会主义进入新时代,意味着科学社会主义在21世纪的中国焕发出强大生机活力,在世界上高高举起了___伟大旗帜。
A. 小康社会
B. 社会主义现代化强国
C. 和谐社会
D. 中国特色社会主义
【单选题】
“思想道德修养与法律基础”,是一门融思想性、政治性、科学性、理论性、实践性于一体的___课。
A. 专业基础
B. 通识教育
C. 思想政治理论
D. 专业选修
【单选题】
党的十九大提出到本世纪中叶,要把我国建设成富强、民主、文明、和谐、___的社会主义现代化强国。
A. 复兴
B. 和谐
C. 幸福
D. 美丽
【单选题】
思想道德和___都是调节人们思想行为、协调人际关系、维护社会秩序的重要手段。
A. 法律
B. 宗教
C. 风俗
D. 文化
【单选题】
中国特色社会主义思想道德建设和___紧密联系、相互促进,为中国特色社会主义事业提供坚实的思想基础、精神支撑和法治保障。
A. 中国特色社会主义文化建设
B. 中国特色社会主义经济建设
C. 中国特色社会主义政治建设
D. 中国特色社会主义法治建设
【单选题】
___是中国最早的现代大学。
A. 清华大学
B. 北京大学
C. 复旦大学
D. 浙江大学
【单选题】
《礼记·中庸》认为,道德修养应“莫见乎隐,莫显乎微,故君子慎其独也”。这种“慎独”的道德修养方法要求我们在学习“思想道德修养与法律基础”课时要注重___。
A. 学习科学理论
B. 理论联系实际
C. 知行统一
D. 多思考深理解
【单选题】
“业精于勤,荒于嬉;行成于思,毁于随”,这句话说明了学习必须做到___
A. 勤奋
B. 严谨
C. 求实
D. 创新
【单选题】
大学生活的中心内容应是___
A. 社会活动
B. 培养动手能力  
C. 恋爱
D. 学习
【单选题】
创新学习的基础是___
A. 实事求是  
B. 解放思想
C. 求真务实
D. 善于思考
【单选题】
“知之为知之,不知为不知,是知也。”这句话告诉我们,在学习上一定要培养___的优良学风。
A. 求实
B. 一丝不苟
C. 勤奋
D. 敢为人先
【单选题】
以下关于思想道德和法律的关系表述错误的是___。
A. 思想道德为法律提供制度保障。
B. 思想道德为法律提供思想指引和价值基础
C. 思想道德和法律都是调节人们思想行为、协调人际关系、维护社会秩序的重要手段。
D. 坚持和发展中国特色社会主义,既要发挥思想道德的引领和教化作用,又要发挥法律的规范和强制作用。
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【单选题】
62.弱碱性阴离子交换树脂在pH值(    )的范围内才具有较好的交换能力。 (A)0-7;(B)7-14;(C)1-14。
A. 0-7
B. 7-14
C. 1-14
【单选题】
63.在高压炉蒸汽系统中,沉积在高压锅炉过热器中的盐类主要是(    )。 (A)NaCl;(B)Na2SiO3;(C)Na2SO4;(D)Na3PO4。
A. NaCl
B. Na2SiO3
C. Na2SO4
D. Na3PO4
【单选题】
64.电磁过滤器在进行凝结水除铁处理时,若在凝结水中加入联氨,则更能提高电磁过滤器的处理效果,原因是(    )。 (A)联氨能除去水中部分溶解氧;(B)联氨能将铁的高价腐蚀产物还原为低价; (C)联氨能提高电磁过滤器的磁性;(D)联氨能将铁的低价腐蚀产物还原为高价。
A. 联氨能除去水中部分溶解氧
B. 联氨能将铁的高价腐蚀产物还原成低价
C. 联氨能提高电磁过滤器的磁性
D. 联氨能将铁的低价腐蚀产物还原成高价
【单选题】
65.弱酸性阳树脂再生用H2SO4作再生剂时,再生溶液的浓度应控制在(    )。 (A)0.5%-1.0%;(B)1.0%-1.5%;(C)2%-3%;(D)4%-5%。
A. 0.5%-1.0%
B. 1.0%-1.5%
C. 2%-3%
D. 4%-5%
【单选题】
66.受氯气中毒较重者应(    )。 (A)口服复方樟脑酊;(B)胸部用冷湿敷法救护;(C)吸氧气;(D)施行人工呼吸。
A. 口服复方樟脑酊
B. 胸部用冷湿敷法救护
C. 吸氧气
D. 施行人工呼吸
【单选题】
67.生产厂房内外工作场所的常用照明应该保证有足够的(    )。 (A)数量;(B)亮度;(C)手电筒;(D)应急灯。
A. 数量
B. 亮度
C. 手电筒
D. 应急灯
【单选题】
68.热力机械工作票中的工作许可人一般由(    )担任。 (A)运行副主任;(B)运行专职工程师; (C)运行正副班长;(D)检修正副班长。
A. 运行副主任
B. 运行专职工程师
C. 运行正副班长
D. 检验正副班长
【单选题】
69.搬运和使用硫酸或强碱性药品的工作人员,应熟悉药品的(    )。 (A)规格;(B)用途;(C)性质和操作方法; (D)安全措施。
A. 规格
B. 用途
C. 性质和操作方法
D. 安全措施
【单选题】
70.凝汽器内蒸汽的凝结过程可以看做是(    )。 (A)等容过程;(B)等焓过程;(C)等压过程;(D)绝热过程。
A. 等容过程
B. 等焓过程
C. 等压过程
D. 绝热过程
【单选题】
71.已知介质的压力p和温度T,在该压力下,当T<T饱时,介质所处的状态是(    )。 (A)饱和水;(B)未饱和水;(C)饱和蒸汽;(D)过热蒸汽。
A. 饱和水
B. 未饱和水
C. 饱和蒸汽
D. 过热蒸汽
【单选题】
72.已知介质的压力p和温度T,在该温度下,当p<p饱时,介质所处的状态是(    )。 (A)未饱和水;(B)饱和水;(C)湿蒸汽;(D)过热蒸汽。
A. 未饱和水
B. 饱和水
C. 湿蒸汽
D. 过热蒸汽
【单选题】
73.确定电流通过导体时所产生的热量与电流的平方、导体的电阻及通过的时间成正比的定律是(    )。 (A)欧姆定律;(B)基尔霍夫定律; (C)焦尔楞次定律;(D)亨利定律。
A. 欧姆定律
B. 基尔霍夫定律
C. 焦耳楞次定律
D. 亨利定律
【单选题】
74.图11-011-1所示电路的电阻为(    )Ω。 (A)2;(B)4;(C)5;(D)31。
A. 2
B. 4
C. 5
D. 31
【单选题】
75.锅炉水冷壁管结垢后可造成(    )。 (A)传热增强,管壁温度升高;(B)传热减弱,管璧温度降低;(C)传热增强,管壁温度降低;(D)传热减弱,管壁温度升高
A. 传热增强,管壁温度升高
B. 传热减弱,管壁温度降低
C. 传热增强,管壁温度降低
D. 传热减弱,管壁温度升高
【单选题】
76.溶液的物质的量浓度是指(   )。 (A) 1ml溶液中所含某物质的量;(B) 1g溶液申所含某物质的量;(C) 1L溶液中所含某物质的量;(D) 1000g溶液中所含某物质的量。
A. 1ml溶液中所含某物质的量
B. 1g溶液中所含某物质的量
C. 1L溶液中所含某物质的量
D. 1000g溶液中所含某物质的量
【单选题】
77.强碱滴定弱酸时,应选用(   )指示剂。 (A)酚酞; (B)甲基橙; (C)甲基红; (D)百里酚酞。
A. 酚酞
B. 甲基橙
C. 甲基红
D. 百里酚酞
【单选题】
78. Cu+2H2SO4(浓)=CuSO4+SO2↑+2H2O;3Cu+ 8HNO3(稀)= 3Cu(NO3)2+2NO↑+4H2O;根据以上两个反应,说明硫酸和硝酸具有(   ) (A)和金属起置换反应的性质;(B)还原性;(C)强烈的氧化性;(D)剧烈的腐蚀性。
A. 和金属起置换反应的性质
B. 还原性
C. 强烈的氧化性
D. 剧烈的腐蚀性
【单选题】
79.如果测出澄清器的容积利用系数为80%,则实际流经时间必然(   )理论值。 (A)大于; (B)小于; (C)等于。
A. 大于
B. 小于
C. 等于
【单选题】
80.循环冷却水系统的凝汽器中的铜管,易结碳酸钙垢的部位是(   )。 (A)入口段; (B) 中间段; (C) 出口段。
A. 入口段
B. 中间段
C. 出口段
【单选题】
81.NWT处理水化学工况是在高纯水中加人适量的氧或过氧化氢,在(   ) 条件下,使钢材表面生成保护膜。 (A)碱性; (B)酸性; (C)弱酸性; (D) 中性。
A. 碱性
B. 酸性
C. 弱酸性
D. 中性
【单选题】
82.弱酸阳离子交换树脂由钠型转化为氢型时,其体积约增大( )%。 (A) 20; (B) 40; (C) 60; (D) 80。
A. 20
B. 40
C. 60
D. 80
【单选题】
83.在水流经过滤池的过程中,对水流均匀性影响最大的是(   )。 (A)滤层高度; (B)排水系统; (C)入口装置。
A. 滤层高度
B. 排水系统
C. 入口装置
【单选题】
84.为便于阴、阳树脂分层,混床用的阳树脂与阴树脂的湿真密度差应大于(   )% 。 (A) 5-10; (B) 10-15; (C) 15-20; (D) 20-25。
A. 5-10
B. 10-15
C. 15-20
D. 20-25
【单选题】
85.为防止有机物对凝胶型强碱阴树脂的污染,要求进水耗氧量小于(   ) mg/L。 (A) 0.5; (B) 1.0; (C) 1.5; (D) 2.0。
A. 0.5
B. 1.0
C. 1.5
D. 2.0
【单选题】
86.浮动床对树脂粒度一般要求在(   ) mm。 (A) 0.35-1.25;(B) 0.6-1.2;(C) 0.4-0.8;(D) 0.8-1.25
A. 0.35-1.25
B. 0.6-1.2
C. 0.4-0.8
D. 0.8-1.25
【单选题】
87.逆流再生固定床在再生过程中,为防止树脂乱层,从交换器顶部送入压缩空气,气压应维持在(   ) MPa。 (A) 0-0.03;(B) 0.03-0.05; (C) 0.06-0.08;(D) > 0.08。
A. 0-0.03
B. 0.03-0.05
C. 0.06-0.08
D. >0.08
【单选题】
88.逆流再生离子交换器与顺流再生离子交换器,在结构上的主要区别是(   )。 (A)有压脂层;(B) 有中间排液装置;(C)有压缩空气顶压;(D)有水顶压。
A. 有压脂层
B. 有中间排液装置
C. 有压缩空气顶压
D. 有水顶压
【单选题】
89.浮动床再生比耗一般为(   )。 (A) 1.1-1.4;(B) 1.4-1.8;(C) 1.8-2.2;(D) 2.2-2.5。
A. 1.1-1.4
B. 1.4-1.8
C. 1.8-2.2
D. 2.2-2.5
【单选题】
90.电力生产的指导方针是(   )。 (A)安全第一;(B)降低成本;(C)降低煤耗;(D)继续发展。
A. 安全第一
B. 降低成本
C. 降低煤耗
D. 继续发展
【单选题】
91.电厂中的变压器主要起(   )的作用。 (A)升高电压;(B)降低电压;(C)电压转换;(D) 分配电压。
A. 升高电压
B. 降低电压
C. 电压转换
D. 分配电压
【单选题】
92.经氢离子交换,25℃时,给水电导率达0.5uS/cm时,若(   )h内没查明原因,给水水质继续恶化,则应停止机组运行。 (A) 12; (B) 24; (C) 36; (D) 48.
A. 12
B. 24
C. 36
D. 48
【单选题】
93.火力发电厂生产过程中,水主要起(   )的作用。 (A)冷却; (B)冲洗; (C)冲洗和冷却; (D)传热和冷却。
A. 冷却
B. 冲洗
C. 冲洗和冷却
D. 传热和冷却
【单选题】
94.造成火力发电厂效率低的主要原因是(   )。 (A)锅炉效率低; (B)汽轮机排汽热损失; (C)发电机损失;(D)汽轮机机械损失。
A. 锅炉效率低
B. 汽轮机排汽热损失
C. 发电机损失
D. 汽轮机机械损失
【单选题】
95.目前,火力发电厂排出的烟气中,造成大气污染的主要污染物是(   )。 (A)二氧化硅;(B)氮氧化物;(C)重金属微粒;(D)二氧化硫。
A. 二氧化硅
B. 氮氧化物
C. 重金属微粒
D. 二氧化硫
【单选题】
96.粉末状树脂比球状树脂反应速度快的原因是(   )。 (A)比球状树脂的纯度高;(B)其表面积远大于球状树脂;(C)比球状树脂的再生度高;(D)比球状树脂的交换容量高。
A. 比球状树脂的纯度高
B. 其表面积远大于球状树脂
C. 比球状树脂的再生度高
D. 比球状树脂的交换容量高
【单选题】
97.弱酸树脂固定床用硫酸再生时,再生溶液流速一般应控制在(   )m/h。 (A) 5-7; (B) 7-10; (B) 10-15; (B) 15-20。
A. 5-7
B. 7-10
C. 10-15
D. 15-20
【单选题】
98.锅炉用氨一联氨法保护时,在氨一联氨溶液中,含联氨量为(   )mg/L。 (A) 50; (B) 100; (C) 150; (D) 200。
A. 50
B. 100
C. 150
D. 200
【单选题】
99.容量在50MW以上的新建汽轮机组带负荷并网时,过热蒸汽的二氧化硅含量应小于(   ) ug/kg。 (A) 50; (B) 100; (C) 150; (D) 200。
A. 50
B. 100
C. 150
D. 200
【单选题】
100.电厂给水采用联合处理(CWT)时,pH值应控制在(   )。 (A) 6.5-7.5; (B) 7.0-8.0; (C) 8.3-8.6; (D) 8.6-9.3
A. 6.5-7.5
B. 7.0-8.0
C. 8.3-8.6
D. 8.6-9.3
【判断题】
1.物质的量浓度是指1L溶液中所含有溶质的质量数。(     )
A. 对
B. 错
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