职工因工致残，不论伤残等级，都享有( )。A．一次性工伤医疗补助金待遇 B．伤残就业

下列词句中，没有错别字的一组是

A．撤销焕散前倨后恭开源节流

B．诡秘厮杀毋庸置疑变本加利

C．蝉联渲泄节外生枝趑趄不前

D．蕴藉湮没不落言筌额手称庆

已知ΔABC中,∠A,∠B,∠C的对边分别为a,b,c,若a=1,2cosC+c=2b,则ΔABC的周长的取值范围是__________.

假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处，每处错误仅涉及一个单词的增加、删除或修改口增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。

删除：把多余的词用斜线（＼）划掉。

修改：在错的词下划一横线，并在该词下面写出修改后的词。

注意：1．每处错误及其修改均限一词。

2．只允许修改10处，多者（从第11处起）不计分。

My grandmother died of lung cancer at age of sixty on Jan 27, 2009. Only then did I

know cigarettes were the mainly cause of her cancer. She knows smoking was harmful, so she

just couldn’t quit. She always hid her addiction, hoped that I would never start smoking. My

grandmother was my role models and I loved her so much Now I still wake up in every day

wishing that smoking has never been inventeD．Our promise to her is that I will never smoke

as long as I live, so that I don’t have to go through which she did.

依植物的生长习性茎分为哪几类？

变压器出厂前进行的参数和性能的试验称为（）试验。

A.出厂

B.预防性

C.检修

D.安装