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【单选题】
氧离曲线是表示A.
血红蛋白氧饱和度与氧含量关系的曲线
B.
血红蛋白氧饱和度与氧分压关系的曲线
C.
血氧含量与血氧容量关系的曲线
D.
血氧容量与氧分压关系的曲线
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反馈参考答案：
举一反三
【单选题】在财产保险的承保中，如果保险标的低于承保标准，但又并非不可保时，保险人通常选择的承保方式是（ ）。
A.
正常承保
B.
优惠承保
C.
提高的保险费率
D.
拒保 答案：C
【单选题】在财产保险的承保中，如果保险标的低于承保标准，保险人通常采用减少保险金额，或者使用较高的免赔额或较高的保险费率的方式承保。这一承保决策属于( )
A.
正常承保
B.
优惠承保
C.
有条件承保
D.
拒保
【简答题】在搜索引擎布尔检索中,要求检索结果中只包含所输入的两个关键词中的一个的关系的布尔关系词是________。
【单选题】The purpose of Bill Meyer’s investigation was_________
A.
to find out everything the banker did in his workday
B.
to find out whether Americans are working harder than ever before
C.
to prove that Americans are not working harder than ever before
D.
To prove that Americans are now doing a lot of unnecessary work
【单选题】What is the purpose of Bill Smith's AIDS foundation?
A.
To prevent people from contracting and spreading AIDS.
B.
To carry out research on how to prevent the spread of AIDS.
C.
To keep up with the rate of the epidemic growing.
D.
To promote AIDS awareness and prevention.
【单选题】The purpose of Bill Meyer’s investigation was ______.
A.
t o find out everything the banker did in his workday
B.
to find out whether Americans are working harder than ever before
C.
to prove that Americans are not working harder than ever before
D.
to prove that Americans are now doing a lot of unnecessary work
【简答题】下列有关古代发明创造的表述，正确的是（ ）。
【单选题】Which of the following is NOT the purpose that a bill of lading serves?
A.
It is a receipt.
B.
It is a check.
C.
It is a document of title.
D.
It is a contract.
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