Math: 只记得几道简单的，爱看不看，呵呵
1. (x^2-y^2)^2=?
A.
B. (x^2+y^2)^2=(2* x^2 * y^2)^2
选B
2. 过(2, r)，问斜率〉0？
A. 过(r,17)
B. r=7
选C
奇怪的是我一道概率题都没做到
有一道题目写得太晦涩，我做的时候压根没看懂，放弃了，有高人做出来了给我解释一下 说一个track 有8lines 各宽1米(8line连着的无间隔) 然后内边
有两条100米长的管子(忘了)组成了一个宽为64米的长方形，然后管子的each end连成一个以64为直径的半圆，最后求外边到内边的distance (复述的很差，但关键是大家要去看看track的英文数据，以及心理准备一张大概的图形)
SC，这道题好像最近很流行阿
Neither First Lady Eleanor Roosevelt nor
Secretary of Labor Frances Perkins sought recognition by the press, and both
cautiously allowed others of the Roosevelt brain trust to take credit for the genesis of historic programs
in public employment, relief, and social security that were in large measure
what they had been responsible for.
- to take credit for the genesis of historic programs in public
employment, relief, and social security that were in large measure what
they had been responsible for
- to take credit for the genesis of historic programs in public
employment, relief, and social security for which the two women were in large
measure responsible
- taking credit for the genesis of historic programs in public
employment, relief, and social security for which the two women were in
large measure responsible
- taking credit for the genesis of historic programs in public
employment, relief, and social security that were in large measure what
they were responsible for
- taking credit for the genesis of historic programs in public
employment, relief, and social security which were largely their
responsibility
RC
恐龙是温血动物还是冷血动物
讲火山喷发，证明不是某种物质refill from blow，而是地壳表面经过风雨又陷到喷发口再次被喷出
GWD24-passage four深层地震的成因探析
AA
104 ice cream和天气
AI
15 Nations should cooperate to develop regulations that limit children’s access to adult material on the Internet.
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