问题
选择题
一个数最高位是百万位,那么这个数是[ ]
A.六位数
B.七位数
C.八位数
答案
答案:B
一个数最高位是百万位,那么这个数是[ ]
A.六位数
B.七位数
C.八位数
答案:B
补全对话。 | |
B: Certainly! But why are you going to plant trees? A: Why? 2. _____ B: Oh, yes. I remember. A: We must plant more trees and flowers to make our world more beautiful. B: 3. _____ Where shall we meet? A: At my home. You can help me take the trees. B: All right. When shall we come? A: At seven o'clock. 4. _____ B: OK, 5. _____ . | |