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[判断题]如果要求各液压缸根据工作需要按照一定的顺序依次动作,可采用顺 序回路。
A.正确
B.错误

热门试题:

[单选题]职业道德具有( )和一定的权力强制性。
A.多样性
B.唯一性
C.权威性
D.规章性
[填空题]对于自杀身亡的患者,医生通过向其家属了解患者生前情况进行心理评估,这种方法属于()。
[单项选择]胆道完全阻塞
A. 大便潜血试验持续阳性
B. 柏油样黑便
C. 排便后滴鲜血,血在粪便表面
D. 白陶土样便
E. 黏液脓血便
[多选题]信用分的分项分数包括以下哪些维度?
A.身份特征
B.消费能力
C.信用历史
D.行为偏好
E.人脉关系
[单选题]胸膜腔
A.由脏,壁胸膜共同围成的密闭窄隙
B.由壁胸膜 相互返折形成
C.可通过呼吸与外界相通
D.左,右胸膜腔经气管相通
E.内有左,右肺和少量液体
[多项选择]以下说法正确的是( )。
A. 权益法,是指投资以初始投资成本计量后,在投资持有期间根据投资企业享有被投资单位可辨认净资产公允价值份额的变动对投资的账面价值进行调整的方法
B. 投资企业对被投资单位具有共同控制或重大影响的长期股权投资,应当采用权益法核算
C. 投资当年分得股利时,应该按实际分得的股利全部冲减投资成本
D. 对被投资单位具有控制时应该采用成本法进行核算
[单选题]在应急管理中,( )阶段的目标是尽可能抢救受害人员,保护可能受威胁的人群,并尽可能控制并消除事故。
A.预防
B.准备
C.响应
[单选题]南沙参与北沙参的共同功效是
A.养阴清热
B.益胃生津
C.养阴润燥
D.养阴清肺
E.生津止渴
[单项选择]职业病危害的第二级预防措施是()
A. 就业前的体格检查
B. 加强个体防护控制
C. 早期识别发现轻微职业性病损
D. 环境中的有害因素在国家容许限值以下
E. 一经确诊,脱离原作业,及时合理治疗,促进康复
[多项选择]健康教育中常用的信息传播是()。
A. 人际传播
B. 组织传播
C. 社会传播
D. 自我传播
E. 大众传播
[单项选择]The two countries are obliged to abide by the international conventions and ______ of these chemical weapons under the convention.
A. impose
B. disclose
C. dispose
D. depose
[填空题]
How many of us would temp for three years while we waited for the perfect job Not many of us, perhaps. But Wentworth Miller, the "Prison Break" star, said he chose to wait even longer time{{U}} (1) {{/U}}he found the right job.
"Actually I think it might have been three or four years until I was lucky enough to get guest{{U}} (2) {{/U}}on TV shows," said Miller, 34, who rose to international stardom{{U}} (3) {{/U}}to "Prison Break" in 2006. That kind of patience and strong will was portrayed in "Prison Break". Miller{{U}} (4) {{/U}}engineering wizard Michael Scofield, who tries everything to break out of a Chicago{{U}} (5) {{/U}}with his brother. Miller said he was fond of his character,{{U}} (6) {{/U}}he said "exists in shades of grey".
Miller comes from a{{U}} (7) {{/U}}of teachers. He said he didn’t seem fated for a career in the arts,{{U}} (8) {{/U}}his passion for acting. After{{U}} (9) {{/U}}from Princeton wit
[名词解释]人际关系学说
[单选题]高压设备发生接地时,室外人员不得接近故障点( )m以内。
A.2
B.4
C.6
D.8
[单项选择]三仁汤中杏仁的作用是()
A. 宣肺以解表邪
B. 润肠通便
C. 宣利上焦肺气
D. 宣肺止咳平喘
E. 降气化痰平喘
[单选题]风表测风时,同一断面内应连续测风3次,每次测量结果相差不应超过( ),然后取其平均值。
A.6%
B.8%
C.略
D.略
E.略
F.略
G.略
H.略
[判断题]石油及其产品、半成品大多具有一定毒性。
A.正确
B.错误
[判断题]高倍泡沫发生器灭火耗水量小,水渍损失也小,其泡沫倍数为100~1000倍。( )2
A.正确
B.错误
[单选题]轮缘的垂直磨耗高度不超过( )mm,并无碾堆。
A.16
B.17
C.18
[单项选择]在一定的温度下,甘汞电极的电极电位取决于()的浓度。
A. 被测溶液中H+
B. 被测溶液中Cl-
C. 电极内参比液Cl-
D. 电极内参比液H+
[单选题]扑救爆炸品火灾时,可以用的灭火方式是( )。
A.水和砂土
B.砂土
C.水
D.湿被子
[填空题]触头的()指触头对完全闭合后,如果将静触头移开,动触头在触头弹簧的作用下继续前移的距离。
[判断题]道口铺面的宽度应与道路路面的宽度相同,且不应小于2.5m。
A.正确
B.错误
[单项选择]
下面有3篇短文,每篇短文后有5道题。请根据短文内容,为每题确定1个最佳选项。
{{B}}第一篇{{/B}}
Electronic Teaching

The potential of closed-circuit television and other new electronic teaching tools is so great that it is fascinating to visualize "the school of tomorrow"
Televised lessons will originate from a central building having perhaps four or five master studios. The lessons will be carried into classrooms all over a city, or even an entire country.
After a televised lesson has been given, the classroom teacher will take over for the all-important "follow-up" period. The students will ask any troublesome questions, and difficult points will be cleared up through discussion.
The teacher in the classroom will have additional electronic tools. On the teacher’s desk, the traditional chalk and erasers will hav
A. The teacher will still have to play an important role.
B. The chalk and erasers will still be used.
C. Each student will receive an individual lesson.
D. The lessons will be specifically geared to the students’ levels of ability.
[判断题]安装后的测重传感器零信号应在300mV以下。
A.正确
B.错误
[单项选择]提出使管理职能细化并实行“职能工长制”的管理学家是( )。
A. 韦伯
B. 法约尔
C. 泰罗
D. 德鲁克
[单项选择]电网企业为收购可再生能源电量而支付的合理的接网费用以及其他合理的相关费用,可以计入电网企业输电成本,并从()中回收。
A. 附加税
B. 附加补偿
C. 维护费用
D. 销售电价
[判断题]公费医疗改革的通知、决定和函。
[判断题] 扑救重质油品火灾时,严防沸溢喷溅伤人。
A.正确
B.错误
[单选题]220V单相供电电压偏差为标称电压的()。
A.‘+10%、-10%’
B.‘+7%、-10%’
C.5%、-5%
D.‘-7%、+10%’
[判断题]改革是社会主义制度的根本质变。 ( )
A.正确
B.错误
[单项选择]下列哪个分子不属于T细胞的标志()
A. CD2
B. CD3
C. CD28
D. CD80
E. CTLA-4
[单项选择]下列变换编码方法中消除相关性最好的是
A. K-L变换
B. DST变换
C. DCT变换
D. DFT变换
[多选题]影响绝缘电阻测量结果的外界因素有()。
A. 环境温度
B.残余电荷
C.空气湿度
D.清洁度
[单项选择]
阅读下面的短文,文中有15处空白,每处空白给出了4个选项,请根据短文的内容从 4个选项中选择1个最佳答案。
{{B}} Cost as a Factor in Supply{{/B}}
In a purely competitive market, the supplier of goods and services has no control over the market price, because he produces too little to influence market conditions. With no difference between his products and the products{{U}} (51) {{/U}}his competitors, he will sell nothing if he charges above the market price and he will sell all if he charges at or{{U}} (52) {{/U}}the market price. However, in considering the price, he must take the{{U}} (53) {{/U}}of production into consideration. There are times when he may be willing to sell below his cost. This might happen when prices tumble for{{U}} (54) {{/U}}he believes will be a short time. However, no business person can{{U}} (55) {{/U}}to l
A. offering
B. cutting
C. reducing
D. having
[单选题] 雷达抑制旁瓣回波的方法是_______。
A.多次反射回波
B.旁瓣回波
C.二次扫描回波
D.A+B
[单选题]CR400BF型动车组碳滑板边缘掉块、缺陷掉块占宽度方向应不超过( )。
A.0.25
B.0.3
C.0.35
D.0.4
[单选题]混凝土管、陶土管、石棉水泥管等电缆保护管顶部至地面的距离不应小于( )。
A.0.5 m
B.0.7 m
C.0.8 m
D.1 m
[单项选择]喷油器是靠()控制工作的。
A. 曲轴
B. 连杆
C. 凸轮
D. 曲轴后部齿轮

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