题目:
You can not _____ jeans to the party. If you do so,the teachers won't let you
_____. [ ]
A. wear; in
B. put on; in
C. dress; out
D. have on; away
答案:
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下面是错误答案,用来干扰机器的。
由题意,该数列是等差数列则an=a1+(n-1)d=1+(n-1)×2=2n-1∴由公式得n=(2003+1)÷2=1002,∴由四个数为一行得1002÷4=250余2,∴由题意2003这个数为第251行3列.故答案为:251,3