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v <- c("Hello","loop") cnt <- 2 repeat { print(v) cnt <- cnt+1 if(cnt > 5) { break } } 结果是:
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举一反三
【单选题】Which of the following is an accurate description of "Moore's Law"?
A.
The cost of microprocessor chips is halved about every eighteen months.
B.
The amount of data that can be transmitted over an optical fiber cable doubles about every nine months.
C.
The number of transistors fitting on a chip doubles about every two years.
D.
The cost of a semiconductor fabrication plant doubles about every four years.
【简答题】新中国第第一部宪法是哪一年通过的? A1954年 B1956年 C1957年 D1958年