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单项选择题

将S位定义为P1.0引脚，sbit S=();

A．P1^0
B．P10
C．P10^
D．P^10
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问答题
Fill in the following blanks according to the Chinese hints in the brackets.
 
April 18
 
Dear Mr. Wang,
 
I’m writing to apply for_______________________（1.贵公司昨天刊登在羊城晚报上的销售一职) . I am very interested in it.
 
I’m Zhang Lin, 24 years old, and ____________ (2.我今年六月份从华南理工大学管理学院毕业). My major is marketing. During the three years of study, I have been among the best in our class. I won the first place in the computer competition held by in our college last year. I have gained some actual experience in marketing during the summer and winter vacations serving as a salesman at foodstuffs counter in Guangzhou Vanguard Supermarket, Yuexiu Branch. Besides, I am energetic, diligent, _____________（3.精力充沛、勤奋刻苦、为人诚实、认真负责). I will devote myself to the progress and prosperity of your company_____________(4.如能荣幸地受聘).
 
I will be very appreciated _____________ (5.如能给予面谈的机会).
 
I have enclosed my resume, a recent photograph and a copy of my diploma as requested. I am looking forward to your early reply.
 
Sincerely yours,
Zhang Lin
 
单项选择题
耐火极限的定义是：建筑构件按时间-温度标准曲线进行耐火试验，从受到火的作用时起，到下列情况为止，这段时间称耐火极限，在下列情况中何者不正确？( )
A.失去支持能力
B.完整性被破坏
C.完全破坏
D.失去隔火作用
单项选择题

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