题目

在CH3COOH与CH3CH218OH的酯化反应中，能够生成的产物是①CH3CO18OCH3  ② H218O   ③H2O     ④CH3CO18OCH2CH3                          （     ） A．①②         B．②④        C．①③          D．③④ 答案：D He likes ________ a blue coat because he likes blue. [　　] A．wear B．put on C．in D．wearing