【填空题】
22.混凝土工程包括___,___,___,___等工程。
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答案
制备|运输|浇筑|养护
解析
暂无解析
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23.工程建设监理的中心任务是___,___和___。
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24.材料的___决定了材料的分类.
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29.通过研究和观测各种地球物理场的变化来探测地质条件的方法是___.
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34.___为大跨度结构最常见的结构形式.
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36.桥按___受力情况可分为梁式桥,拱式桥,刚架桥,斜拉桥,悬索桥,组合体系桥梁。
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37.悬索桥和拱式桥的拱柱相反,缆索主要承受___作用。
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38.一般公路桥梁常采用的桥墩类型根据其___可分为实体式,桥墩,空心式桥墩和桩式桥墩。
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41.港外水域包括___和___。
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42.海港港内锚地拱船舶避风停泊,等候靠岸及离岗,进行水上由___的货物装卸。
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44.码头按其前沿的横断面外形有___,___,___和___。
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51.按桩的施工方法,桩分为___和___两类。
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52.即可用作深基坑的支护结构,又可作为深基坑的支护和建筑物地下室外墙的是___。
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53.砌筑用脚手架是砌筑过程中堆放材料和工人进行操作的___。
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54.混凝土浇筑包括___和___两个过程。
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The video cameras were used to catch the dogs' responses because ___________.
A. the dogs were put in the wooden boxes  and tested one at a time
B. it was easier to catch the dogs’s response changes in the tail wagging
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【单选题】
The word "wag" (Line 1, Para.1) most probably means _________.
A. move         
B. shake 
C. bite           
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【单选题】
The video cameras were used to catch the dogs' responses because ___________.
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【单选题】
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【单选题】
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【单选题】
Which of the following may lead to family quarrels according to the passage?___
A. Unawareness of energy cycles.
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【单选题】
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【单选题】
You are advised to rise with a yawn and stretch because it will __________.___
A. help to keep your energy for the day's work
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D. keep your energy cycle under control all day
【单选题】
Which of the following statements is NOT true?___
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B. Dr. Kletman explains why people reach their peaks at different hours of day.
C. Habit helps a person adapt to his own energy cycle.
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【单选题】
An effective way to prevent the burnout of young athletes is __________.___
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【单选题】
According to the passage sport is positive for young people in that __________.___
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【单选题】
Many coaches and parents are in the habit of criticizing young athletes __________.___
A. without realizing criticism may destroy their self-confidence
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D. so as to put more pressure on them
【单选题】
According to the passage parents and coaches should __________.___
A. help children to win every game
B. pay more attention to letting children enjoy sports
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D. enable children to understand the positive aspect of sports
【单选题】
The author's purpose in writing the passage is _________.___
A. to persuade young children not to worry about criticism
B. to stress the importance of positive reinforcement to children
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【单选题】
As pointed out at the beginning of the passage, people used to think that air pollution _______.___
A. cause widespread damage in the countryside
B. affected the entire eastern half of the United States
C. had damaged effect on health
D. existed merely in urban and industries areas
【单选题】
As to the greenhouse effect, the author ________.___
A.  share the same view with the scientist
B. is uncertain of its occurrence
C. rejects it as being ungrounded
D. thinks that it will destroy the world soon
【单选题】
The underlined word "offset" in the second paragraph could be replaced by _________.___
A. slip into                 
B. make up for
C. set up                   
D. catch up with
【单选题】
It can be concluded that ____________.___
A. raising the world's temperature only a few degrees would not do much harm to life on earth
B. lowering the world's temperature merely a few degrees would lead major farming areas to disaster
C. almost no temperature variations have occurred over the past decade
D. the world's temperature will remain constant in the years to come
【单选题】
This passage is primarily about __________.___
A. the greenhouse effect
B. the burning of fossil fuels
C. the potential effect of air pollution
D. the likelihood of a new ice age
【单选题】
What is the major function of paragraph 1?___
A. To arouse the reader's concern.
B. To introduce the theme of the whole passage.
C. To summarize the whole passage.
D. To state the primary uses of TV.
【单选题】
Television, as a source of entertainment, is ________.___
A. not very convenient        
B. very expensive
C. quite dangerous            
D. relatively cheap
【单选题】
Why are some people against TV?___
A. Because TV programs are not interesting.
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C. Because TV prices are very high.
D. Because TV has both advantages and disadvantages.
【单选题】
One of the most obvious advantages of TV is that _________.___
A. it keeps us informed
B. it is very cheap
C. it enables us to have a rest
D. it controls our lives
【单选题】
According to the passage, whether TV is good or not depends on ___________.___
A. its quality        
B. people's attitude towards it
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A. A fee should be charged on used containers for recycling.
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D. Beverage companies should be responsible for collecting and reusing discarded plastic soda bottles.
【单选题】
The returned plastic bottles in New York used to _____________.___
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The key problem in dealing with returned plastic beverage containers is ______________.___
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