更多“牵引电机在牵引方式下作（）”相关的问题
嘌呤环中的氮原子来自（）。
A.甘氨酸B.谷氨酰胺C.天冬氨酸D.谷氨酸
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A . 食管静脉丛B . 脐周静脉网C . 直肠静脉丛
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液化石油气在常温和大气压力下是（）态。
A、固
B、液
C、气
D、不一定
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有效管理幅度取决于多种因素,关于影响管理幅度的因素中,下列说法不正确的一项是()
A. 工作管理的复杂程度越大，管理幅度就越宽 B. 新问题的发生率越高，管理幅度就越窄 C. 组织健全程度越高，管理幅度就越宽 D. 管理活动相同性较，管理幅度就越宽窄
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关于行政处罚的听证程序，下列说法正确的是
A . 符合法定情形，当事人要求听证
的，行政机关可以组织听证
B . 当事人应当承担组织听证的费用
C . 当事人可以亲自参加听证，也可
以委托一至二人代理
D . 当事人要求听证的，应当在行政
机关告知后三日内提出
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比较模拟通信系统和数字通信系统的有效性时，有的情况下单看传输速率是不够的。
A . 正确
B . 错误
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运杂费是指器材自工地集配点至施工现场之间的搬运所发生的费用。
A . 正确
B . 错误
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对于普洱茶的汤色，审评员主要评比其（）。普洱茶汤色要求红浓明亮，深红色为正常。黄、橙黄或深暗的汤色均不符合要求。如汤色呈橙黄或深暗是“发酵”工艺掌握不好，发酵不匀或发酵过度均可出现此种情况。如汤色浑浊不清，属品质劣变。①色度②亮度③清浊度④匀整度
A.①②
B.①③
C.①②③
D.②③④
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瘤、岩疾病中肿块坚硬，表面不平，推之不动，自觉疼痛，伴胁胀不适，易急噪，证属（ ）。
A.气郁痰凝证 B.寒痰凝聚证 C.气血瘀滞证 D.毒热蕴结证 E.正虚邪实证
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使用锥销定位时,通常限制( )自由度。
A. 二个 B. 三个 C. 四个 D. 五个
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商品的属性主要有（）。
A.自然属性
B.社会属性
C.整体属性
D.主客观性
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我国甲肝的流行高峰季节为（）
A.春季
B.夏季
C.春夏
D.春秋
E.秋冬
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股权质押贷款要按规定流程办理，包括（）
A、贷款受理与调查
B、评级与授信
C、合同签订
D、股权质押登记
E、用信与支付
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关于散热器及附件的描述，正确的是（）。
A.塑料水室破损需换水箱
B.水泵皮带轮损坏必须更换水泵总成
C.水管破损需换水箱
D.以上都正确
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Large Thighs" May Protect Heart" Men and women with thighs over 60cm(23.6in)in circumference have a lower risk of heart disease and early death ,a study of 3,000 people suggests. The relationship remains even when body fat, smoking and blood cholesterol are taken into account, a Danish team says. Those with narrow thighs may not have enough muscle mass to deal with insulin properly, raising the risk of diabetes and, in turn, heart disease, they say. Some said it was too early to change current advice on eating and exercise for heart health. The study ,published in the British Medical Journal, followed men and women in Denmark for more than 10 years. They were measured for height, weight and thigh, hip and waist circumference and their overall percentage of body fat was calculated. The thigh measurement was taken just below the gluteal fold, which is the crease caused by your buttocks. Researchers also looked at the activity levels of the participants, whether they smoked, their blood pressure and cholesterol levels. They then monitored incidence of heart disease over 10 years and death rates over 12 - and - a - half years. The team at the Copenhagen University Hospital found that those with the smallest thighs—be- low 55cm—had twice the risk of early death or serious health problems. Professor Befit Heitmann, who led the research, said:" The increased risk was independent of abdominal and general obesity and lifestyle and cardiovascular risk factors such as blood pressure. " "Additionally we found that the risk was more highly related to thigh circumference than to waist circumierence. " "The nice thing is that if you have a small thigh you call do something about it through exercise. " Previous studies have suggested that a waist circumference of over 35in(88.9cm) for a woman and 40in(101.6era) for a man indicated a high risk of developing diabetes and heart disease. Professor Heitmann’s team says the risk of narrow thighs could be associated with too little muscle mass. They say this can lead to the body not responding to insulin properly, increasing the risk of type 2 diabetes and, in the long- run, heart disease.
A．Blood pressure.B．Thighs circumference.C．Waist circumference.D．Obesity.
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