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【单选题】
当MCS-51单片机中的串口选择工作方式2时,其波特率与( )有关。A.
晶振频率
B.
晶振频率和SMOD
C.
晶振频率、SMOD和T1的初值
D.
与上述都无关
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【简答题】什么是视在功率，有功功率和无功功率？
【简答题】有十个字符串。下面程序的功能是在每个字符串中,找出最大字符按一一对应的顺序放入一维数组a中,即第i个字符串中的最大字符放入a[i]中,输出每个字符串的最大字符。请填空。 #include void main() { char s[10][20],a[10]; int i,j; for(i=0;i<10;i++) gets(s[i]); for(i=0;i<10;i++) { __________...
【简答题】变压器的功率是视在功率，单位是（），电动机的功率是有功功率，单位是（）。
【简答题】Joe Sanders has___ ______ ____(1.beautiful, 最漂亮的) garden in our town. Nearly everybody ______(2.enter) "The Nicest Garden Competition" each year, but Joe ______(3.win) every time. Bill Frith's garden ...
【单选题】one of these sentences is true. which one?
A.
Bill frith's garden is the best and Joe's is the worst
B.
Joe's garden is the best and Bill frith's is the worst
C.
the writer's garden is the best and Joe's is the worst
D.
Joe's garden is the best and the writer's is the worst
【单选题】One of these sentences is true. Which one?
A.
Bill Frith's garden is the best and Joe Sanders' is the worst.
B.
Joe Sanders' garden is the best and Bill Frith's is the worst.
C.
The writer's garden is the best and Joe Sanders' is the worst.
D.
Joe Sanders' garden is the best and the writer's is the worst.
【简答题】Lesson 8 The best and the worst 最好的和最差的 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace> Joe Sanders has the most beautiful garden in our town. Nearly everybody enters for 'The ...
【简答题】有功功率是视在功率的一部分,有功功率在视在功率中所占的比重,称为 _______。
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