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单项选择题
Australian dollar is classified as a SDR currency.
A.对
B.错
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不定项选择
紧急避孕药对预防性病、艾滋病毫无作用。
A.正确
B.错误
多项选择题
下列关于中国学生发展核心素养的说法,正确的有( )。
A. 以培养“全面发展的人”为核心
B. 以前瞻性、国际性、时代性为基本原则
C. 综合表现为责任担当、实践创新等6大素养
D. 分为文化基础、自主发展、社会参与3个方面
E. 充分反映新时期经济社会发展对人才培养的新要求
单项选择题
In order to simplify the calculation, for high-rise buildings with the height lower than 40 meters that shear deformation is the main factor and mass and stiffness distributed uniformly along the height. Which following method should be used to calculate the seismic action? ( )
A、Base shear method
B、Time history analysis
C、Modal superposition response spectrum method
D、First, the response spectrum method is used, and then the time history analysis method is used for supplementary calculation
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