题目内容

作为导游语言特点之一的“活”指的是导游语言_____具有灵活多变性。

查看答案

搜索结果不匹配？点我反馈

更多问题

The steady hum of school heating systems and air-conditioners can mean lower test scores for many young students, found a new study. The finding adds to growing evidence that classroom noises【C1】 with learning. Plenty of studies have demonstrated the distracting【C2】of noise in the classroom. In louder rooms, kids have more trouble hearing the teacher and become easily distracted,【C3】when they are reading to themselves. Schools【C4】 airports also report lower test scores than schools that are not affected by airplane noise. In one study, German students started scoring better on reading and vocabulary tests after a nearby airport【C5】. Researchers were also interested in less【C6】 sounds like the general buzz of basic mechanical systems. It was【C7】that kids who spent all day in classrooms with such noises【C8】 to score lower on standard reading comprehension tests. But math scores didnt【C9】 with noise levels, possibly because teachers use more【C10】 when theyre teaching math than when theyre teaching words. 【C11】, lots of background noise sets kids up for problems. Studies have shown that kids make more noise in louder rooms.【C12】by the scraping of chairs, the hum of the heating system,【C13】the voices of other kids competing to be heard, some students【C14】have a particularly hard time hearing【C15】 the teacher is saying. And its not that theyre lazy or using noise as an【C16】. Young brains have a much harder time【C17】a signal from the background than mature, adult brains do. Along with【C18】work, the new findings suggest the【C19】 for enforcement of ANSIs standards. Despite an endless list of budgetary【C20】, schools might have to put quiet at the top of their to-do lists.
【C1】

A. vibrate
B. interfere
C. increase
D. vanish

导游人员做好导游服务工作的根本是要树立_____。

锡伯族现有人口约17万，主要分布在辽宁和新疆、吉林等省份。辽宁现有锡伯族人口近12万，沈阳锡伯族主要聚居在新城子锡伯族三镇。锡伯族是古代鲜卑人的后裔，现在的锡伯族人是少数居住在东北辽河、松花江的鲜卑人繁衍下来的。()

简述清朝中央行政管理机构所存在的主要设置问题。