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【单选题】
参观2010年上海世博会时,下列行为符合礼仪的是A.
与同伴议论纷纷，慷慨激昂、大声交谈
B.
按照展览的要求和规定进行参观
C.
在现场互相追逐，相互嬉戏
D.
这种展品太吸引人了，忍不住轻轻用手触摸一下
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【简答题】熔断器在电路中起 保护作用
【单选题】A little boy invited his mother to attend his school's first teacher-parent meeting. To the little boy's【21】, she said she would go. This would be the first time that his classmates and teacher【22】his...
A.
enjoyment
B.
disappointment
C.
surprise
D.
excitement
【单选题】Is this Jiao and Luis's first meeting?
A.
Yes, it is.
B.
No, it is not.
C.
no information
【单选题】Greeces three-party coalition has agreed to______.
A.
negotiate with EU and International Monetary Fund lenders
B.
spend 11.5bn less in the next two years
C.
drop its objections to reductions in pensions
D.
accept the former finance minister's demand
【简答题】The first teacher-parent meeting would be held in the school. To the little boy’s disappointment(失望), his mother said she would go. He felt sorry for her face. She was very beautiful, but there was a ...
【单选题】关于具有转录活性的常染色质特点的描述,正确的是
A.
组蛋白不进行化学修饰
B.
DNA拓扑结构没有变化
C.
核酸酶不敏感
D.
CpG序列的甲基化水平降低
E.
核小体结构稳定
【多选题】下列关于表观修饰正确的说法有
A.
组蛋白的乙酰化是可逆的
B.
去乙酰化的染色质是转录受抑制的
C.
siRNA的作用是导致染色质失活状态的一种调控机制
D.
表观修饰是在基因的序列不发生变化的条件下发生的基因表达改变
E.
表观遗传变异又叫表观遗传修饰
【单选题】下列关于肘关节提斜角的说法错误的是
A.
正常人的提斜角一般为5-15°
B.
提斜角的过度增大大多由外伤导致的
C.
过度的外翻可能会损伤尺神经
D.
肘关节外翻过大说明外侧副韧带损伤
【简答题】所谓关系营销是把营销活动看成是一个企业与消费者、供应商、分销商、竞争者、政府机构及其他公众发生互动作用的过程,其核心是建立和发展与这些( )的良好关系,保持并稳固长远的关系。
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