题目

下列有机物中，能发生消去反应生成2种烯烃，又能发生水解反应的是( ) A．1-溴丁烷                        B．2-甲基-3-氯戊烷  C．2,2-二甲基-1-氯丁烷              D．1,3-二氯苯 答案：B--- I’d like to buy a skirt like this. --- OK. We can buy ________ one than this, but ________ this.A．a good; not as cheap asB．a better; as expensive asC．a better; not as expensive asD．a better; not so cheap as