过去式(-ed):competed过去分词(v-ed):competed现在分词(v-ing):competing形容词(adj):competitive/competent(adj.胜任的;有能力的;能干的;足够的)competent authority[法]主管当局,主管部门competent department主管部门competent in胜任的;有能力be competent for胜任competent jurisdiction合法的管辖权competent person称职人员;安全检察员competent court管辖法院;主管法庭更多收起词组短语adj.胜任的;有能力的;能干的;足够的able,capable,efficient,sufficient,adequate名词(n):competition
题目<br>答案解析<br>查看更多优质解析<br>举报<br>应该是often和usually的区别.<br>这两个词均为时间频度副词,但表示的时间程度不同.其区别是:<br>1) usually(75%)意为“通常”,着重表示已形成习惯的动作,反义词为unusually.如:<br>They usually do some shopping on Sunday.他们通常星期天买东西.<br>What time do you usually have lunch?你通常什么时间吃午饭?<br>2)often(50%)相当于at times,意为“时常,经常”.表示常常这样,但不总是这样,反义词为seldom.如:<br>She often helps her mother with housework.放学后,她常常帮助母亲做家务.<br>We often go to see our teacher.我们经常去看望我们的老师.<br>解析看不懂?求助智能家教解答<br>查看解答<br>相似问题