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【单选题】
My nephew failed in the College Entrance Examination, and we were all very sorry that he did not ___ to the university.
A. take it
B. get it
C. make it
D. succeed it
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答案
C
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If you grow too fast your entire economy could completely shut down and bring growth to a(n) ___.
A. halt
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I tried my best to drive inside in order to avoid the edges that might make me ___ the steep slope.
A. slip down
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When the driver heard that there was a bomb on the bus, he immediately ___ to the side of the highway and radioed the police.
A. put out
B. took off
C. pulled over
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She was very ___ to become a manager in our customers’ office, but finally accepted our offer.
A. eager
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In the race, it looked as if he would be the first, but then another young man who was close behind him put on speed and ___ by a few seconds.
A. beat him for it
B. beat him to it
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It is really helpful to have someone like you that we can ___ and count on during difficult times.
A. lean on
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Women have a greater ability to ___ names with faces than men do, and they are also better at recalling lists.
A. associate
B. compare
C. engage
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He was always ready to help others and managed to ___ his friends ____being hurt.
A. expose … to
B. confine …to
C. restrict … from
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Older people are less likely to be ___ their negative emotions (情绪) and more likely to focus on the positive.
A. reserved for
B. caught up in
C. beat up to
D. counted on
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I don’t have any bandage, so I have to ___ pressure to the wound to keep the bleeding down.
A. apply
B. involve
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It is important that whichever candidate (候选人) is picked the loser should accept the defeat ___.
A. in advance
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D. in large part
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___ that new homes cost more than older homes, but that is not true across the country anymore.
A. It used to be
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C. It used to being
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The boss ___ his employees to work longer hours as the company is dreadfully short of staff at present.
A. called on
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The president’s visit and ___ discussions led to a plan that aimed to improve the trade relations between the two countries.
A. emerging
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The author ___ his general idea mainly through statistics and results obtained from a survey (调查) about auto customer services in the United States.
A. assumes
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People in this town starved, several buildings were bombed and crime ___ because you had to steal to eat.
A. eroded
B. reflected
C. released
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Olympic recognition for bodybuilding (健美) remains ___ since some argue that bodybuilding is not a sport because the actual contest does not involve the same sort of efforts as “real” sports.
A. controversial
B. conventional
C. characteristic
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Tom tried to justify his absence from the meeting by ___ that he had been ill that day.
A. admitting
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___ the huge financial benefits, biological companies have been rushing to set up laboratories and new research projects.
A. Aware
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Unfortunately, ___ lack of funds, the studies he began just two months ago, had to be ended early.
A. out of
B. in addition to
C. owing to
D. to begin with
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With a good command of English, he soon got ___ to working with British people.
A. accustomed
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What needs to be ___ here is that language and culture interact, and that understanding of one requires understanding of the other.
A. altered
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Policies and organizations must be created to meet workers’ hopes, and to ___ new problems that inevitably arise between workers and managers.
A. compromise
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To keep the wheels of industry turning, we produce consumer goods in endless quantities, and, in the process, are rapidly ___ our natural resources.
A. ignoring
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As a person who loves peace, he is committed ___ realizing peace between countries.
A. of
B. about
C. for
D. to
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Learning how to use chopsticks is easy for me, ___ learning how to conduct myself at the table is quite difficult.
A. whereas
B. however
C. therefore
D. besides
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___ that the patient smokes 50 cigarettes a day, it would be reasonable to assume there is some lung damage.
A. To give
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D. Having given
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Kenyan (肯尼亚的) women tend to vote for those who could provide them ___ the necessary food to live on.
A. of
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___ all obstacles and failures, the scientist continued doing his experiments day and night.
A. In spite of
B. In contrast to
C. As a matter of
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I’m willing to ___ that a larger car would have cost more, but I still think we should have bought one.
A. withdraw
B. indicate
C. abandon
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【单选题】
Manufacturing (制造) companies spend millions of pounds on advertisements, trying to ___ customers that their products are better than those of other companies.
A. confine
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He is not the right person for the project: he is not very technically minded and ___, he does not have the sense of responsibility.
A. instead
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Death rates declined in many places, partly because of the ___ in hunger.
A. decrease
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In deciding whether or not a situation is safe, pilots must be taught to assume that the worst will happen, and then to ___ whether there is a risk or not.
A. absorb
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The worker was not worried as he knew that if he gave up the job, there would be ___ opportunities for him to work somewhere else.
A. formative
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The research shows the region might ___ overheating (经济过热), but the policymakers so far appear to be relatively relaxed about the future of the economy.
A. catch a glimpse of
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Stress that is not treated can lead to significant medical illnesses, which ___ can lead to greater stress and even depression (抑郁症).
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A. associated with
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企业第一核心竞争力是企业的___。 。
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“企业的办公室里洁净、井然有序”反应了企业文化里的___。
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企业文化建设的第一项原则是___。
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脑出血的特点是突然发病,常在白天发病。可由___等原因引起。
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公文的特点有哪些? ___ 。
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单选题 [2] EDTA酸效应曲线不能回答的问题是___。’
A. 进行各金属离子滴定时的最低pH
B. 在一定pH范围内滴定某种金属离子时,哪些离子可能有干扰
C. 控制溶液的酸度,有可能在同一溶液中连续测定几种离子
D. 准确测定各离子时溶液的最低酸度
【单选题】
___。
A. lgαY(H)≥lgKMY -8
B. lgαY(H)= lgKMY -8
C. lgαY(H)≥lgKMY -6
D. lgαY(H)≤lgKMY -3
【单选题】
液返滴定过量的EDTA,此金属离子标准溶液最好选用___。
A. Ca2+
B. Pb2+
C. Fe3+
D. Mg2+
【单选题】
单选题 [3]用EDTA标准滴定溶液滴定金属离子M,若要求相对误差小于0.1%,则要求___。
A. cMK 'MY≥10^6
B. cMK 'MY≤10^6
C. K' MY≥10^6
D. K'MYα Y(H)≥10^6
【单选题】
单选题 [3]直接配位滴定终点呈现的是___的颜色。
A. 全属-指示剂配合物
B. 配位剂-指示剂混合物
C. 游离金属指示剂
D. 配位剂-金属配合物
【单选题】
单选题 [2] Al3+能封闭铬黑T指示剂,加入___可解除。
A. 三乙醇胺
B. KCN
C. NH4F
D. NH4SCN
【单选题】
单选题 [2]用EDTA测定Zn2+时,Cr3+干扰,为消除影响,应采用的方法是___。
A. 控制酸度
B. 配位掩蔽
C. 氧化还原掩蔽
D. 沉淀掩蔽
【单选题】
单选题 [3]提高配位滴定的选择性可采用的方法是___。
A. 增大滴定剂的浓度
B. 控制溶液温度
C. 控制溶液的酸度
D. 减小滴定剂的浓度
【单选题】
单选题 [2]配位滴定中加入缓冲溶液的原因是___。
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C. EDTA与金属离子反应过程中会释放出H+
D. K'MY会随酸度改变而改变
【单选题】
消耗30.00mL,则试样中CaO的含量为___。M(CaO) =56.08g/mol。
A. 3.00%
B. 6.01%
C. 12.02%
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【单选题】
N的条件是___。
A. lgKNY -lgKMY≥2和lgcK 'MY≥6和lgcK 'NY≥6
B. lgK NY -IgKMY≥5和lgcK 'MY≥3和lgcK 'NY≥3
C. lgK MY -lgKNY≥5和lgcK 'MY≥6和lgcK 'NY≥6
D. lgKNY -lgKMY≥8和lgcK'MY≥4和lgcK'NY≥4
【单选题】
单选题 [2]滴定近终点时,滴定速度一定要慢,摇动一定要特别充分,原因是___。
A. 指示剂易发生僵化现象
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C. 指示剂易发生封闭现彖
D. 近终点时溶液不易混匀
【单选题】
单选题 [2]在配位滴定中,直接滴定法的条件包括___。
A. lgcK'MY≤8
B. 溶液中无干扰离子
C. 有变色敏锐无封闭作用的指示剂
D. 反应在酸性溶液中进行
【单选题】
单选题 [1]已知几种金属浓度相近,lgKNiY=19.20,lgKCeY=16.0,lgKZnY=16.50,lgKCaY=10.69,lgK AIY =16.3,其中调节pH值就可不干扰Al3+测定的是___。
A. Ni2+
B. Ce2+
C. Zn2+
D. Ca
【单选题】
阿里云混合云存储阵列的云卷上云切片大小
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【单选题】
阿里云混合云存储阵列的云卷通过.__对块卷进行安全认证
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B. CHAP
C. SAP
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【单选题】
阿里云混合云存储阵列的块设备数据保护特性不包括__
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混合云备份的最高能实现的灾备等级
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B. 4级
C. 5级
D. 6级
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A. 100T
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A. 1024
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【多选题】
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