更多“不良电芯必须用黄色标示卡标识。”相关的问题
胆固醇合成途径中的关键酶是（）
A．果糖二磷酸酶-1
B．6-磷酸果糖激酶-1
C．HMGCoA还原酶
D．磷酸化酶
E．HMG-CoA合成酶
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根据观察者在观察过程中是否参与研究对象的活动，可以将观察法分为参与性观察法和_______。
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在信用证支付方式中出口商要保证安全收汇就必须做到( )。 A．提交的单据与买卖合同相符 B．提交的单据要符合进口商
A.提交的单据与买卖合同相符
B.提交的单据要符合进口商的要求
C.提交的单据与信用证的要求一致
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Passage OneQuestions 21 to 25 are based on the following passage.How often one hears child
Passage One Questions 21 to 25 are based on the following passage. How often one hears children wishing they were grown up, and old people wishing they were young again. Each age has its pleasures and its pains, and the happiest person is the one who enjoys what each age gives him without wasting his time in useless regrets. Childhood is a time when there are few responsibilities. If a child has good parents, he is well fed, looked after and loved. It is unlikely that he will ever again in his life be given so much without having to do anything in return. In addition, life is always presenting new things to the child-things that have lost their interest for older people because they are too well known. A child finds pleasure in playing in the rain, or in the snow. His first visit to the seaside is a marvelous adventure．But a child has his pains：he is not so free to do as he wishes as he thinks older people are he is continually being told what to do and what not to do．Therefore, a child is not happy as he wishes to be. When the young man starts to earn his own living, he becomes free from the discipline of school and parents but at the same time he is forced to accept．responsibilities. With no one to pay for his food, his clothes, or his room, he has to work if he wants to live comfortably. If he spends most of his time playing about in the way that he used to as a child, he will go hungry. And if he breaks the laws of society as he used to break the laws of his parents, he may get himself into trouble. If, however, he works hard, goes by the law and has good health, he may feel satisfied in seeing himself make steady progress in his job and in building up for himself his own position in society. Old age has always been thought of as the worst age to be but it is not necessary for the old to be unhappy. With old age comes wisdom and the ability to help others with advice wisely given. The old can have the joy of seeing their children making progress in life they can watch their grandchildren growing up around them and, perhaps best of all, they can, if their life has been a useful one, feel the happiness of having come through the battle of life safely and of having reached a time when they can lie back and rest, leaving everything to others. 21．The happiest people should be those who A．face up to difficulties in life B．hope to be young again C．enjoy life in different ages D．wish to be grown up
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具有镇心安神、清热养血功用的方剂是（）。
A.天王补心丹
B.朱砂安神丸
C.酸枣仁汤
D.当归六黄汤
E.磁朱丸
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无铅汽油是指不含烷基铅抗爆剂的汽油。（）
A . 正确
B . 错误
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已知图1电路中的US=2V。用图2所示的等效电流源代替图1所示的电路，则等效电流源的参数为（）。
A. IS=2A、R=1ΩB. IS=-2A、R=1ΩC. IS=2A、R=2Ω
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下列哪项不属于社会病范畴（）。
A.精神障碍
B.性传播疾病
C.青少年犯罪
D.吸毒
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天文学家成功预测了2009年7月22日发生的日全食。这说明（）
A.规律是可以认识和利用的
B.矛盾是对立统一的
C.任何两个事物之间都有联系
D.人可以成功预测一切
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不属于排水管道圆形检查井的砌筑做法是（ ）。
A．砌块应垂直砌筑
B．砌筑砌块时应同时安装踏步
C．检查井内的流槽宜与并壁同事进行砌筑
D．采用退茬法砌筑时每块砌块退半块留茬
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支气管扩张的临床特点不包括?
A. 慢性咳嗽 B. 体温过高 C. 大量脓痰 D. 反复咯血 E. 继发感染
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（）是主权国家的主管机关在外国人所持有效护照或其他有效国际旅行证件上签注、盖印，表示允许外国人入出或者通过该国国境的许可证明。
A . A、签证
B . B、就业证
C . C、专家证
D . D、演出证
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男性，52岁，寒战高热1日，最高可达39．6℃。咳嗽伴左胸痛，咳嗽红色胶冻样痰，量多，查体：轻度发绀，BP 80／50mmHg，左肺叩浊。呼吸音低，X线胸片示左肺呈多发性蜂窝状阴影，该患者最可能的诊断为（ ）
A．肺炎球菌肺炎，休克型
B．葡萄球菌肺炎
C．厌氧菌肺炎
D．军团菌肺炎
E．克雷伯杆菌肺炎
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生长激素缩写为
A．FSH
B．TSH
C．ACTH
D．GH
E．PRT
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