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[单选题]下列关于机油使用错误的是( )。(中)
A.等级较高的机油可以替代等级较低的机油
B.应尽量使用多级油
C.机油粘度应尽可能小些
D.汽油机油也能用于柴油机

热门试题:

[单选题]1.24 车长大于等于_______米的客车为大型载客汽车。
A.9
B.7
C.6
D.5.8

[单项选择]一棵非空的二叉树的先序遍历序列与后序遍历序列正好相反，则该二叉树一定满足______。
A. 所有的结点均无左孩子
B. 所有的结点均无右孩子
C. 只有一个叶子结点
D. 是任意一棵二叉树

[简答题] 汽轮机冲转条件中，为什么规定要有一定数值的真空？

[单项选择]火腿中，质量最好的部位是（）。
A. 中方
B. 雄爿
C. 雌爿
D. 火腫

[单选题]生活方式干预技术用于促进人们改变生活方式，常用的有?
A.教育，通过一系列的参与式训练与体验，培训个体掌握行为矫正的技术
B.激励，通过下面强化、反面强化、反馈促进、惩罚等措施进行行为矫正
C.训练，传递知识，确立态度，改变行为
D.营销，通过一系列的参与式训练与体验，培训个体掌握行为矫正的技术
E.训练，利用社会营销的技术推广健康行为，营造健康的大环境，促进个体改变不健康的行为

[判断题]由车站向车辆段（停车场）发车时：车站需填发路票，司机以路票作为占用闭塞区段的凭证。
A.正确
B.错误

[单选题](2016年)下列可以办理跨系统转托管的LOF份额的是（）。
A.分红派息前R-2日至R日的LOF份额
B.分红派息前R-5日至R-3日的LOF份额
C.处于质押状态的LOF份额
D.处于冻结状态的LOF份额

[单项选择]One negative result of people’s interference with the environment is that many kinds of animals are becoming rare. In fact, their numbers are decreasing so rapidly that they are in danger of being extinct. Because worried and concerned experts want to make sure that these animals do not disappear, an "endangered species" list has been made, and ways to save them have been started. Some types of birds, like eagles, are in danger of extinction. This is the reason why many concerned citizens have organized into groups to try to save the birds. The National Audubon Society (NAS) is one such organization.
The people of the NAS, ironically, once tried to encourage interest in birds. The present situation indicates that they Were too successful. Nowadays the same people are looking for ways to protect the birds from the people who want to watch them. Just a few years ago, bird watchers were stereotyped as harmless but strange: people thought of all bird watchers as eccentric hunters wh
A. Positive.
B. Neutral.
C. Negative.
D. Indifferent.

[单选题]施工机具和安全工器具应（）。
A.A. 统一编号、统一保管
B.B. 统一编号、个人保管
C.C. 统一编号、专人保管
D.D. 专门编号、统一保管

[判断题]泵的扬程就是泵能升举液体的高度。( )
A.正确
B.错误

[填空题]{{B}}第三节短文理解 2{{/B}}
阅读下列短文，从[A]、[B]、[C]三个选项中选择一个正确答案。

Summer has come, making us think of all kinds of nice things, such as holidays in the country.
The days are long and the nights are short, for the sun gets up early and goes to bed late in sunny June. It is one of the best and brightest months in the year. Birds sing all the day.
As night falls, the birds stop their song, one after another. However, they do not all sleep. When other birds are silent, a soft (轻柔) cry comes, then, after a few moments, louder. It is the nightingale (夜莺) singing his beautiful song.
The nightingale not only sings at night. On almost every warm day in early June, the little brown bird sings away on the roads and trees, but because all the other birds are also singing at the same time, we do not hear his voice so much. It is only at night, that

[单项选择]改变药物的不良味道（）
A. 氟奋乃静庚酸酯
B. 磺胺嘧啶银
C. 阿司匹林赖氨酸盐
D. 雌二醇双磷酸酯
E. 无味氯霉素

[判断题]判断题 ()吊物倾斜时,可以借用人力或人身重量来平衡物体进行作业。
A.正确
B.错误

[单选题] 某别墅地产项目的总投资为人民币10亿元,其项目资本金至少为( )亿元。
A.1
B.2
C.2.5
D.3。

[单项选择]232，342，452，( )
A. 562
B. 662
C. 572
D. 672

[单项选择]

Coloring is not my favorite thing to do, thought Jon. Mrs. Johnson had passed out a picture of a lion to color for the class animal report.
"I want to draw something, not color in something somebody else drew," Jan whispered to himself. Jon was a good artist. Ever since he was able to hold a pencil, he had been drawing whatever he saw. In art class, the kids would stand behind Jon, watching the magical motions he made with his pencil. Jon was able to imagine the whole picture before he started to draw. Sometimes he would start with a very small detail, and then develop the rest of the drawing.
Mrs. Johnson’s class was studying animals. Each student had to do a report on an animal and color a picture. Most of the kids enjoyed this, and they were happily picking their brown and yellow crayons for the lion’s mane. Perhaps I can do a zebra, thought Jon. That’s what I would rather do. I can do the lion later. He turned his paper over and sta
A. He was nervous his teacher didn’t like his drawing.
B. He was afraid of being told to color the drawing.
C. He thought his teacher would interrupt him.
D. He didn’t follow his teacher’s directions.

[多选题]下面说法正确的是（）。
A.配电站户外高压设备部分停电进行营销现场作业，应在工作地点四周装设围栏，其出入口要围至邻近道路旁边，并设有“从此进入！”和“在此工作”标示牌。
B.工作地点四周围栏上悬挂适当数量的“止步，高压危险！”标示牌，标示牌应朝向围栏里面。
C.若配电站户外高压设备大部分停电，只有个别地点保留有带电设备而其他设备无触及带电导体的可能时，可以在带电设备四周装设全封闭围栏，围栏上悬挂适当数量的“止步，高压危险！”标示牌，标示牌应朝向围栏外面。
D.高压开关柜内手车开关拉出后，隔离带电部位的挡板应可靠封闭，禁止开启，并设置“在此工作”标示牌。

[判断题]一年之中，绝对湿度最高值出现在1-3月份。

[单选题] 在高空利用绳索救人或者自救时应设置不少于( )处安全固定支点,且固定支点应受力于不同物体。
A.1
B.2
C.3
D.4

[多项选择]根据《水工建筑物地下开挖工程施工技术规范》SL378-2007，特大断面洞室采用先拱后墙法施工时，拱脚开挖应符合的要求有（）。
A. 拱脚线的最低点至下部开挖面的距离，不宜小于1.5m
B. 拱脚线的最低点至下部开挖面的距离，不宜小于2.5m
C. 顶拱混凝土衬砌强度不应低于设计强度的75%
D. 拱脚线的最低点至下部开挖面的距离，不宜小于3.5m
E. 拱脚线的最低点至下部开挖面的距离，不宜小于4.5m

[单选题]( )使用矿灯人员拆开、敲打、撞击矿灯。
A.严禁
B.允许
C.矿灯有故障时才允许

[单项选择]旅客持无效客票乘车，除补收全程客票价款外，并处（）%罚款
A. 50
B. 80
C. 100

[单项选择]男性67岁，诉刺激性咳嗽伴血痰2个月，两周来感呼吸困难，半年前胸部x线检查时发现有明显异常。查体：气管左移、左胸廓下陷、叩诊实音、昕诊有管状呼吸音，心界左移，X线胸片示左胸有密度均匀的致密影、胃泡上移。此病人最可能的诊断是
A. 肺结核
B. 左侧肺癌及肺不张
C. 左侧大叶性肺炎
D. 左侧脓胸

[判断题]在高速铁路运行区段，使用机车救援动车组时，连挂前，司机须与列车调度员联系，在得到列车调度员已发布邻线限速160km/h及以下的调度命令（妨碍邻线及组织旅客疏散时为已扣停邻线列车）的口头指示后，方可开始作业。
A.正确
B.错误

[单选题] 线路设置若干耐张段的目的是便于线路的施工和检修，并可在事故情况下限制倒杆断线范围。（）
A.正确
B.错误

[判断题]若工作班需暂时离开工作地点，无需采取安全措施。
A.正确
B.错误

[单选题]单选题:录音电话每站配置一部放置在车控室责任人为( )。
A.值班员(行车)
B.值班员(客运)
C.值班站长
D.主管客运专业副站长

[单选题]带负荷的线路合闸时,断路器和隔离开关操作顺序是先合隔离开关,后合().
A.A、隔离开关;
B.B、断路器;
C.C、断开导线;
D.D、隔离刀闸

[简答题]如何评估游戏治疗的效果？

[单项选择]关于新生儿免疫特点，以下哪项是错误的
A. IgG水平与胎龄有关
B. 非特异性免疫功能不成熟
C. 易患革兰阴性杆菌感染
D. 免疫功能来成熟儿高于成熟儿
E. 补体水平低

[单选题]卫生行政部门、安全生产监督管理部门应按照规定上报职业病和
A.疑似职业病
B.职业病危害事故
C.职业健康风险
D.职业病危害因素监测评价结果

[单项选择]新资源食品试生产期为
A. 3年
B. 1年
C. 4年
D. 2年
E. 6个月

[单项选择]办理保理融资的卖方客户必须在保理银行（即办理国内保理业务的华夏银行各分支机构）开立（）。
A. 美元结算账户
B. 欧元结算账户
C. 英镑结算账户
D. 人民币结算账户

[单项选择]9，4，7，-4，5，4，3，-4，1，4，（），（）。
A. 0，4
B. 1，4
C. -1，-4
D. -1，4

[单项选择]市盈率和市净率是基本分析的重要指标，某公司的股价为15元，每股净利润为0.5元，每股净资产3元，其市盈率和市净率分别为( )
A. 30 5
B. 5 30
C. 7.5 5
D. 7.5 30

[单项选择]机翼结构中普通翼肋和加强翼肋的区别是：（）.
A. 在有较大集中载荷作用的部位布置普通翼肋，大开口的两侧布置加强翼肋
B. 在有较大集中载荷作用的部位布置加强翼肋，大开口的两侧布置普通翼肋
C. 加强翼肋主要是承受垂直自身平面的集中载荷，而普通翼肋主要承受自身平面内的集中载荷
D. 加强翼肋承受自身平面内的集中载荷的能力比普通翼肋强

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