校园里有15棵松树，37棵杉树．松树的棵数是杉树的____。杉树的棵数是松树的____。

已知f（x）=ln（1+|x|）﹣$\frac{1}{1+x^2}$，使f（x）＞f（2x﹣1）成立的范围是____ 

(B) 根据句意和汉语注释，在答题卡标有题号的横线上，写出单词的正确形式。
____ I have ordered several ________(册) of this book from abroad. Would you like to have one?
____ The silk shirt feels much ___________ (光滑的) than the wool one.
____ We are not sure if the man has any criminal ______________ (记录).
____ Jim is so _______________ (幽默的) that he is always making us laugh.