一条公路长1千米,修了1/4千米,还剩余全程的3/4没修。
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What does the woman mean
A. She likes music.
B. She can’t play the guitar.
C. She doesn’t like music actually.
已知(1+kx2)6(k是正整数)的展开式中x8的系数小于120,则k=()。
Where are the geography books now
A. In the office.
B. At home.
C. In the school library.
设自然数A大于B,则A+B和A+B同为奇数或同为偶数。
A. 对
B. 错