题目

下列水解的离子方程式正确的是    （    ）A．NH4＋＋H2ONH3·H2O＋H＋       B．Br－＋H2OHBr＋OH－C．CO32－＋2H2OH2CO3＋2OH－      D．Fe3＋＋3H2OFe(OH)3↓＋3H＋  答案：A解析:略 书面表达高考在即，你发现班级中有的同学的压力很大，平时不眠不休拼命做题。请在校英语报上，就此现象，结合自己的经历，写一篇100-120个词的短文，向大家宣传正确的应试态度和做法。（开头已给出，不计入总字数）We Should Lessen the Test AnxietyAs the College Entrance Examination draws near, quite a few of my classmates suffer much pressure. ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________