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【单选题】
下列物质中,属于两性氧化物的是( )。A.
CO2
B.
Al2O3
C.
Fe2O3
D.
金刚石
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反馈参考答案：
举一反三
【单选题】()是维护学习良好秩序和树立优良校风的必要手段,是教育引导广大学生坚定社会主义理想信念,培育优良道德情操,养成良好行为习惯,专注职业技能学习,促进身心健康发展的重要措施。
A.
纪律处分
B.
警告处分
C.
留校察看
D.
开除学籍
【简答题】工字形截面偏心受压构件与矩形截面偏心受压构件的正截面承载力计算方法相比有何特点?其关键何在?
【单选题】In his study, Richard Fry finds that______.
A.
young s suffer the most when the recession hit
B.
young s are getting full-time jobs and their earnings improved significantly
C.
fewer young s live independently because the labor market is still in recovery
D.
Millennials would move out of their parents' house when the economy improved
【单选题】What did Richard Wood consider when choosing his product?
A.
whether the suppliers could respond quickly to demand
B.
whether customers would be worried about the price
C.
whether the product could be distributed around the world easily
【单选题】偏心受压矩形截面构件，在下列哪种情况下，令x=xb来求配筋?
A.
As≠ ，而且均未知的大偏心受压构件
B.
As≠ ，而且均未知的小偏心受压构件
C.
As≠ ，且 已知的大偏心受压构件
D.
As= ，且均未知的小偏心受压构件
【单选题】What was Richard wearing when he died?
A.
Boxer shorts.
B.
A towel.
C.
A robe.
D.
Pajamas.
【单选题】When Richard said，“You are much more agreeable and prettier now，Joan’s face turned red at the unexpected_____.
A.
command
B.
comparison
C.
compliment
D.
contribution
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