相关试题
【判断题】
开式循环冷却水系统在运行过程中，应密切监督循环水的浓缩倍率是否超标
【判断题】
混床再生时，为了获得较好的混脂效果，混脂前，应把混床内的水面降至树脂层表面不见水
【判断题】
石灰处理效果常以处理水中的残留碱度作为评价标准
【判断题】
一级除盐系统出水指标为硬度≈0，二氧化硅≤100μmol/L, 电导率≤0.2μs/cm
【判断题】
化学加药计量泵的行程可调节范围一般应在20%～80%
【判断题】
凝结水处理用高速混床的运行流速为70～90m/h
【判断题】
氢型高速混床运行失效控制指标为电导率大于0.3μs/cm
【判断题】
水泵在运行过程中，出现不上水情况，一般应先检查泵是否缺油
【判断题】
阴离子交换树脂受到有机物污染后，常用盐酸进行复苏，效果较好
【判断题】
锅炉给水测定溶解氧的水样必须现场取样，且必须溢流3min后立即测定
【判断题】
阳床入口水氯离子含量增大，则其出口水酸度不变
【判断题】
一般生活污水在曝气池7天左右就出现活性污泥絮体
【判断题】
活性炭过滤器应用于水处理设备中最主要的作用是除去悬浮物
【判断题】
连续排污扩容器的作用是降低压力，便于排放
【判断题】
随锅炉压力升高，饱和蒸汽的溶解携带量降低
【判断题】
用pNa电极法进行钠的测定时，需用二异丙胺来调节溶液的pH值
【判断题】
水中钠离子测定时，加入碱化剂的作用是调节水样pH＞10，防止氢离子干扰
【判断题】
混凝处理的目的主要是除去水中的胶体和沉淀物
【判断题】
当强酸阳离子交换树脂由Na型变成H型时，或当强碱阴离子交换树脂由Cl型变成OH型时，其体积会缩小
【判断题】
强碱阴离子交换树脂可耐受的最高温度是80℃
【判断题】
供氢站应使用肥皂水或气体防爆检测仪检查供氢系统、管道、阀门是否渗漏
【判断题】
供氢站冻结的管道、阀门及其他设备只能用蒸汽吹洗或热水解冻，禁止用明火烤
【判断题】
反渗透在正常压力下产品水流量降低10～15%时，应对反渗透膜系统予以清洗
【判断题】
反渗透设备盐透过率增加10%～15%，应对反渗透膜系统予以清洗
【判断题】
反渗透脱盐设备各段间的压差增加明显，比初始压差上升10%～15%，应对反渗透膜系统予以清洗
【判断题】
锅炉连续排污的目的是排出炉水中的沉积物，使炉水水质保持在合格范围内
【判断题】
水汽异常一级处理：有因杂质造成腐蚀、结垢、积盐的可能性，应在72小时内恢复至相应的标准值
【判断题】
水汽异常二级处理：肯定有因杂质造成腐蚀、结垢、积盐的可能性，应在48小时内恢复至相应的标准值
【判断题】
水汽异常三级处理：正在发生快速腐蚀、结垢、积盐，如果8小时内水质不好转，应停炉
【判断题】
反渗透保安过滤器滤芯使用寿命一般4～6个月 ，当5μm过滤器运行压差达1MPa时, 必须更换滤芯,否则将影响系统正常运行
【判断题】
水的氯化处理就是向水中投加氯或其化合物，以杀死其中微生物的处理过程
【判断题】
影响混凝处理的主要因素有水温、水的pH值、加药量、原水中的杂质和接触介质
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【单选题】
What does the speaker do? ___
A. Public relations consultant.
B. Home cook.
C. Website administrator.
D. Writer.
【单选题】
Which is NOT included in the speaker’s favorite breakfasts? ___
A. Egg.
B. Prosciutto.
C. Papaya.
D. Cabbage.
【单选题】
When do the students start learning Chinese? ___
A. Since kindergarten
B. Since elementary school
C. Since middle school
D. Since high school
【单选题】
When can the students continue studying Chinese? ___
A. In elementary school and middle school.
B. In middle school and high school.
C. In high school and university
D. After the university.
【单选题】
How many American students are currently learning Chinese? ___
A. About 22,000
B. About 24,000
C. About 44,000
D. About 2,400
【单选题】
How much did the Defense Department give Oregon schools? ___
A. $70,000
B. $1.3 million
C. $700,000
D. $1.3 billion
【单选题】
What’s Isabel Weiss’s purpose of learning Chinese? ___
A. For fun
B. For more opportunities for jobs
C. For more opportunities of making money
D. For more opportunities for promotions
【单选题】
What ability do the standardized tests reward to? ___
A. Think.
B. Create.
C. Quickly answer superficial questions.
D. Above all.
【单选题】
In what ways the IQ scores can be changed? ___
A. Training.
B. Nutrition.
C. More friendly people administered the test.
D. Above all
【单选题】
What do schools focus on? ___
A. Concepts.
B. Science.
C. Social Studies.
D. Foreign languages.
【单选题】
Why tests and standards are a necessary fact of life? ___
A. They protect us from hazardous products.
B. They protect us from inept drivers.
C. They protect us from shoddy professionals.
D. Above all.
【单选题】
How many percent did the scores on statewide tests rise? ___
A. 4%.
B. 14%.
C. 40%.
D. None.
【单选题】
What was the woman’s reaction when she was nominated? ___
A. She was surprised at the nomination.
B. She was calm at the nomination.
C. She was indifferent to the nomination.
D. She was scared of the nomination.
【单选题】
According to the woman, who paid for her trip to San Francisco? ___
A. Her trip to San Francisco was sponsored by the Academy.
B. Her trip to San Francisco was paid for by her company.
C. Her trip to San Francisco was paid for by her family.
D. Her trip to San Francisco was paid for by herself.
【单选题】
What is the name of George Miller’s new movie? ___
A. Happy Feeling.
B. Happy Dancing.
C. Happy Foot.
D. Happy Feet.
【单选题】
Which name is not mentioned in the film? ___
A. Nicole Kidman.
B. Hugh Jackman.
C. George Clooney.
D. Robin Williams.
【单选题】
Which of the following statement is not true about “Life in the Freezer”? ___
A. It was a documentary film.
B. It was made by National Geographic and the BBC.
C. It was a story of the amazing life of Emperor penguins.
D. The
E. mperor penguin sang to each other to find a mate and made friends.
【单选题】
What should you do during a high-pressure periods? ___
A. Lock yourself in a room with your work.
B. Leave your work and go on a vocation.
C. Tell your boss you can’t finish your work.
D. Get together with people who will revitalize and inspire you.
【单选题】
Which of the following is the correct description of TempWorld? ___
A. The era of guaranteed jobs is history.
B. We are all temporary workers.
C. You have to equip yourself with the skills.
D. All of the above.
【单选题】
What should a career activist do? ___
A. Being a career activist means concentrating on daily business.
B. Being a career activist means you can do a business as long as it meets your short-term needs.
C. A career activist should take the long view of his career.
D. A career activist should plan everything in advance.
【单选题】
What should you do in the TempWorld? ___
A. In TempWorld you must withstand disappointment, juggle stressful situations, and handle pressure.
B. You must learn from your setbacks and use them to your advantage in the future.
C. Things always go well for successful people because they are honest.
D. Both A and B.
【单选题】
Which of the following statements is Not True? ___
A. Your boss may be willing to change his behavior than your think.
B. Some managers don’t care how much their words or actions upset staffers.
C. You should tell your managers how their outbursts make you feel.
D. If the boss values your work, he may stop his abusiveness.
【单选题】
Which of the following public places is NOT mentioned that have banned mobiles? ___
A. restaurants
B. gas stations
C. theatres
D. museums
【单选题】
What happened when the cellphone of the speaker’s friend rang? ___
A. His friend answered the phone and the speaker became invisible to his friend.
B. They answered the phone together.
C. The speaker threw away his friend’s cellphone.
D. His friend hung up the phone and kept talking to the speaker. (C)
【单选题】
What happened to the man? ___
A. He had a car accident.
B. He had his arms broken.
C. He lost his mobile phone.
D. He was not able to use his mobile because he was in a remote area.
【单选题】
Which of the following is NOT true? ___
A. Today there are about 400 million cellphone owners.
B. Today there are about 300 million Personal Computer subscribers.
C. Cellphones will be more often used.
D. Cellphones will completely replace Personal Computers.
【单选题】
Which of the following is true? ___
A. Ellen Johnson-Sirleaf stayed in her country during the nation’s civil war.
B. She is still working for the United Nations.
C. She is the first woman ever elected president of an Asian country.
D. She is a Liberia.
【单选题】
What do you know about the solar eclipse? ___
A. Only hundreds of people gazed at it.
B. It was caused by the earth passing in front of the moon.
C. It was not often seen.
D. It started in Mongolia and ended in Brazil.
【单选题】
What is true about this meeting between the USA and China? ___
A. It was a meeting between Xi Jinping and Donald Trump.
B. It was the first time that the Chinese president had visited the United States.
C. The issue of the Olympics was discussed.
D. South Korea’s nuclear weapons program was discussed.
【单选题】
In which year did the station’s first permanent crew arrived? ___
A. 1998
B. 2000
C. 2002
D. 2003
【单选题】
If elected, ________________. ___
A. Richardson would be the first Hispanic President.
B. Clinton would be the first African-American President.
C. Romney world be the first Hispanic President.
D. Clinton would be the first Mormon President.
【单选题】
What are the things that the speaker’s inner and outer life based on? ___
A. Money
B. Health
C.
D. elicious food
【单选题】
What kind of things has its own reason for existing? ___
A. Questioning
B. The structure of reality
C. Curiosity
D. The mysteries of eternity
【单选题】
Who are so full of doubts? ___
A. Fools and fanatics
B. Wise people
C. Professors
D. University students
【单选题】
To the speaker, what kind of things always win in life? ___
A. Truth and love
B. Power and status
C. Great minds
D. Money and material
【单选题】
What’s the key word of the speaker? ___
A. Love
B. Power
C. Freedom
D. Curiosity
【单选题】
What happened to the man? ___
A. He committed identity theft.
B. He was put in prison.
C. He reported a case of theft to police.
D. He robbed a bank.
【单选题】
What is the attitude of Mrs. Washington? ___
A. She tries to cover up for little George.
B. She thinks Mr. Washington should not ask George directly.
C. She encourages George to chop down the tree.
D. She thinks Mr. Washington should put the blame on the sharp axe.
【单选题】
What do Nancy’s colleagues think about her transgender transition? ___
A. They think it is ridiculous.
B. They make a big fuss about it.
C. They take it lightly.
D. They are sympathetic.
【单选题】
What are the two women talking about? ___
A. They are talking women’s liberation.
B. They are talking about an ideal husband.
C. They want a rewarding job.
D. They are talking about women’s choice between family and career.
