问题
单项选择题
63,26,7,0,-1,-2,-9,()
A、-18
B、-20
C、-26
D、-28
答案
参考答案:D
解析:
答:选D,63=43-1,26=33-1,7=23-1,0=13-1,-1=03-1,-2=(-1)3-1,-9=(-2)3-1 -28=(-3)3-1
63,26,7,0,-1,-2,-9,()
A、-18
B、-20
C、-26
D、-28
参考答案:D
解析:
答:选D,63=43-1,26=33-1,7=23-1,0=13-1,-1=03-1,-2=(-1)3-1,-9=(-2)3-1 -28=(-3)3-1
选词填空。(用方框中所给的词的适当形式填空) | |
everyday. 2. Don't worry about your mother's _______. 3. Thanks for _______ me to visit next week. 4. There are _______ of people buying things on weekends. 5. Please tell me the _______ story, we want to know all about it. |