题目

将十六进制数1101转换成十进制数，正确的表达式是（ ） A . 1×20+0×21+1×22+1×23 B . 1×161+0×162+1×163+1×163 C . 1×160+0×161+1×162+1×163 D . 1×160+1×161+0×162+1×163 答案：C补全对话，每空一词 A： 1 me, where is the 2 hospital, please? B：Well, walk 3 this street and 4 the third 5 on the right, and you'll find the hospital on the left side of that street. A：How 6 is it 7 here? B．It's three kilometres 8 . You'd 9 take a bus. A：What number do I 10 to take? B：No.28. A：Thanks a lot. B：Not at all.