题目

一个五位数，前三位数为a，后两位数为b，如果把后两位数b放在三位数a前面组成一个新的五位数，则这个新五位数为 A．b＋a             B．100a＋b          C．100b＋a          D．11000b＋111a 答案：D he read the book, he got in it.A. The more; the more interestingB. The less; the more interestingC. The more; the more interested