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【单选题】
对体循环动脉的描述中,错误的是 ( )
A.
主干是主动脉,起自左心室
B.
升主动脉在上腔静脉右侧
C.
主动脉弓在凸侧发出3大分支
D.
胸主动脉和腹主动脉以膈的主动脉裂孔为界
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参考答案:
举一反三
【单选题】锅炉热损失中最大的一项是( )
A.
固体未完全燃烧热损失
B.
气体未完全燃烧热损失
C.
散热损失
D.
排烟热损失
【单选题】The S&P 500 index rose by 2.3% on July 29th as a result of ______.
A.
interruption of the ministerial talks
B.
the healthy pace of globe GDP
C.
the growth of the world's GDP by $70 billion
D.
other factors
【单选题】通常情况下,燃煤锅炉的最大热损失是()。
A.
排烟热损失;
B.
固体未完全燃烧热损失;
C.
散热损失。
【判断题】若线性规划无最优解则其可行域无界
A.
正确
B.
错误
【单选题】As a result of the enclosures of the 17th and 1th centuries people were______.
A.
legally entitled to own land
B.
forced to look elsewhere for means of supporting themselves
C.
not adequately compensated(补偿) for the loss of their land
D.
badly paid for the work they managed to find
【单选题】As a result of the enclosures of the 17th and i8th centuries,
A.
people were no longer legally entitled to own land
B.
people were forced to look elsewhere for means of supporting themselves
C.
people were not adequately compensated for the loss of their land
D.
people were badly paid for the work they managed to find
【单选题】煤粉锅炉各项热损失中,最大的损失是()。
A.
散热损失
B.
气体未完全燃烧损失
C.
排烟热损失
D.
固体未完全燃烧损失
【多选题】西方各具体历史发展包括下述哪些主要阶段或事件?
A.
基督教产生
B.
中世纪
C.
帝国统治
D.
文艺复兴
【单选题】锅炉热损失中最大的一项是:
A.
气体未完全燃烧热损失
B.
固体未完全燃烧热损失
C.
排烟热损失
D.
散热损失
【单选题】在决定开发管理信息系统应用项目之前.首先要做好系统开发的()
A.
详细调查工作
B.
可行性分析
C.
逻辑设计
D.
物理设计
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