2. 外语
  3. Recent studies have shown that air into a house often has higher concentrations of contaminants than heavily polluted air outsid

Recent studies have shown that air into a house often has higher concentrations of contaminants than heavily polluted air outsid

admin2013-11-06  20
问题 Recent studies have shown that air into a house often has higher concentrations of contaminants than heavily polluted air outside.
选项
答案into—in
解析 译文：最近的研究表明：与室外严重污染的空气相比，室内的空气通常污染物浓度更高。
分析：考查介词。into表示动作的方向，此处表示所处位置应当用介词in。
转载请注明原文地址:https://kaotiyun.com/show/SCZO777K
0

专业英语八级

相关试题推荐
随机试题
最新回复(0)