根据《UCP500》规定，若信用证在货物数量方面有伸缩，而金额方面没有，该证货物总值则不能超过信用证金额。( )
参考答案：对
—You bought the car about ten years ago?
—Yes. ______ it's old, it still runs well. [ ]
A. Because
B. Since
C. Although
D. But
以下程序段的输出结果是______。 num=0 While hum＜=2 num=num+1 Print num Wend
