题目

Children today are under ______ pressure.A. too many B. too much C. much too D. so many 答案：【答案】B【解析】句意：今天的孩子们处于很大的压力之下。A. too many太多，修饰可数名词的复数；B. too much太多，修饰不可数名词；C. much too太……，修饰形容词或副词；D. so many如此多，修饰可数名词的复数，根据题意，故选B。下列函数中既是奇函数，又是增函数的是（　　　）A．　 B．　 C．　 D．）