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【单选题】
中国质数论方面最早的著作是( )A.
《梦溪笔谈》
B.
《算法统宗》
C.
《几何原本》
D.
《法》
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反馈参考答案：
举一反三
【单选题】某咯血病人突然出现表情恐怖、张口瞪目、两手乱抓等窒息现象,首先应该:
A.
准备抢救用品
B.
行人工呼吸
C.
使用呼吸中枢兴奋剂
D.
使用镇咳药
E.
立即置病人头低足高位
【单选题】高强度船体用钢F36的符号含义是（）。
A.
-60℃的韧性等级，屈服强度360N/mm 2
B.
-40℃的韧性等级，屈服强度360N/mm 2
C.
-60℃的韧性等级，断裂强度360N/mm 2
D.
-40℃的韧性等级，断裂强度360N/mm 2
【简答题】简述建立饭店服务质量管理体系的意义、原则。
【单选题】下面的内容哪一个不是网络信息检索语言的功能（）。
A.
简单明了而又比较专指的描述文献的主题概念
B.
不能进行全文检索
C.
检索时便于将标引用语和检索用语行相符性比较
D.
易于使用；可以多用户并行检索
【单选题】A Chinese Company made an offer on June 10th and it indicates that “Reply here not later than June 15th. On June 13th, the Chinese Company received the reply from the opposite side, saying “Your 10th ...
A.
a counter offer
B.
an effective acceptance
C.
an effective acceptance if the Chinese Company keeps silent
D.
none of the above
【单选题】A construction company has built 25 houses so far this year at a total cost to the company of $7.2 million. If the company builds a 26 th house, its total cost will increase to $7.5 million. Which of ...
A.
For the first 25 houses, the average cost per house was $288,000.
B.
The marginal cost of the 26 th house, if it is built, will be equal to the average cost per house.
C.
If the company can experience a marginal benefit of $288,000 by building the 26 th house, then the company should build it.
D.
All of the above are correct.
【简答题】The primary statements of a company include the balance sheet, the income statement and the statement of the flow.
【多选题】符号标记为ISO14341-A G 46 3 M213Sil，对此下列哪种标记的说明是正确的？（）
A.
46表示熔敷金属最低屈服强度为460N/mm 2 和延伸率22%
B.
G表示惰性气体保护焊
C.
M21表示保护气体
D.
3Sil表示焊丝化学成份
【单选题】某咯血病人突然出现表情恐怖、张口瞪目,两手乱抓等窒息现象,首先应该
A.
准备抢救用品
B.
行人工呼吸
C.
c. 使用呼吸中枢兴奋剂
D.
使用镇咳药
E.
立即置病人头低脚高位
【单选题】What can we infer about the company?
A.
The company cannot reserve some accommodation for their VIP clients.
B.
The company is now enjoying a flourishing period.
C.
The company suffered a lot last year.
D.
The company has a close relationship with the hotel.
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