Mini Book Excerpts (节选)

    Biography

    When Salinger learned that a car park was to be built on the land, the middle-aged writer was shocked and quickly bought the neighboring area to protect it… The townspeople never forgot the rescue and came to help their most famous neighbor.

    J. D. Salinger: A Life by Kenneth Slawenski (Random House, $ 27)

    Mystery

    “You're a smart boy. Benny's death was no accident, and you're the only one who saw it happen. Do you think the murderer should get away with it?” The boy was staring stubbornly at his lap again.

    A thought suddenly occurred to Annika, “Did you... You recognized the man in the car, didn't you?”

    The boy hesitated, twisting his fingers. “Maybe,” he said quietly.

    Red Wolf by Liza Marklund (Atria Books, $ 25.99)

    Short Stories

    She wants to say to him what she has learned, none of it in class. Some women are born stupid, and some women are too smart for their own good. Some women are born to give, and some women only know how to take. Some women learn who they want to be from their mothers, some who they don't want to be. Some mothers suffer so their daughters won't. Some mothers suffer so their daughters won't.

    You Are Free by Danzy Senna (Riverhead Books, $ 15)

    Humor

    Do your kids like to have fun? Come to Fun Times! Do you like to watch your kids having fun? Bring them to Fun Times! Fun Times's “amusement cycling” is the most fun you can have in the United States right now. Why spend thousands of dollars flying to Disney World when you can spend less than half to that within a day's drive in most cities?

    Happy And Other Bad Thoughts by Larry Doyle (Ecco, $ 14.99)

已知$f\left(x\right)=3-2\left|x\right|,g\left(x\right)=x^2-2x$，$F\left(x\right)=\left\{\begin{array}{c}g\left(x\right),f\left(x\right)\ge g\left(x\right)\\ f\left(x\right),f\left(x\right)<g\left(x\right)\end{array}\right.$则$F\left(x\right)$的最值是（   ）

17世纪70年代，英国赛斯特城的主教约翰·维尔金斯设计了一种磁力“永动机”，其结构如图4所示，在斜面顶端放一块强磁铁M，斜面上、下端各有一个小孔P、Q，斜面下有一个连接两小孔的弯曲轨道．维尔金斯认为：如果在斜坡底放一个铁球，那么在磁铁的引力作用下，铁球会沿斜面向上运动，当球运动到P孔时，它会漏下，再沿着弯曲轨道返回到Q，由于这时球具有速度可以对外做功．然后又被磁铁吸引回到上端，到P处又漏下……对于这个设计，下列判断中正确的是(  )

下列生活中的现象，与物质溶解性无关的是（    ）