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【多选题】
下列关于混凝土配合比设计步骤说法中，正确的是（）A.
施工配合比设计阶段，根据实测砂石含水率进行配合比调整，提出施工配合比
B.
基准配合比设计阶段，根据施工条件的差异和变化，确定每立方米混凝土的材料用量
C.
初步配合比设计阶段，根据配制强度和设计强度相互关系，用水胶比计算方法，水量、砂率查表方法以及砂石材料计算方法等确定计算初步配合比
D.
试验室配合比设计阶段，根据施工条件的差异和变化，材料质量的可能波动调整配合比
E.
基准配合比设计阶段，根据强度验证原理和密度修正法，确定每立方米混凝土的材料用量
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举一反三
【单选题】According to the passage,the colonists who participated and supported the American Revolution initially did so_____.
A.
with the goal of replacing a corrupt system of power with a more egalitarian one
B.
in order to preserve and retain the monarch's powers.so that they would not be usurped by Parliament
C.
primarily in an effort to gain more votes from their dissatisfied political supporters
D.
with the foremost intent of achieving a greater level of profit from the system already in place
【简答题】作业题1附件表中列出了淘宝某店铺的客户的来源以及客户的访问情况，客户的流失情况等。表中店铺的跳失率多数情况达到50%左右，是好还是不好？这说明什么问题？作为店家应该怎么应对？作业题2店铺营业类数据分析指标有哪些？作业题3结合本次课中提及的某店铺运营的案例数据，并由此构建的订单漏斗模型，分析一下：（1）在不增加现有营销投入的情况下，如何通过优化业务流程来提高访客购买率？（2）在现有访客数量不变的情况...
【单选题】在髋部特殊检查中，"若落在健侧下肢前方或保持上举外展姿势，即为阳性。提示髂胫束挛缩或阔筋膜张肌挛缩"的是（）
A.
浮髌试验
B.
髂胫束挛缩试验（Ober试验）
C.
研磨试验（Apley试验或膝关节旋转提拉和挤压试验）
D.
半月板弹响试验（回旋研磨试验或McMurray征）
E.
髌骨摩擦试验（Soto-Holl征）
【单选题】According to the author, the depiction of American culture during the Colonial and Revolutionary eras as an extension of New England Puritan culture reflects the ______.
A.
fact that historians have overestimated the importance of the Puritans in the development of American culture
B.
fact that early American culture was deeply influenced by the strong religious oriencolonists
C.
extent to which Massachusetts and Connecticut served as cultural models for the other American colonies
D.
extent to which colonial America resisted assimilating cultural patterns that were typically English
【单选题】According to the author, the depiction of American culture during the Colonial and Revolutionary eras as an extension of New England Puritan culture reflects the ______.
A.
fact that historians have overestimated the importance of the Puritans in the development of American culture
B.
fact that early American culture was deeply influenced by the strong religious orientation of the colonists
C.
extent to which Massachusetts and Connecticut served as cultural models for the other American colonies
D.
extent to which colonial America resisted assimilating cultural patterns that were typically English
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