Everyone faces times when one goal or another has to come first. deciding which goals are most important is setting priorities.(根据语句结构,划线单字的意义由is提示是指the most important goals)
A skyscraper, or building more than twenty stories high, is built on a foundation of concrete supported by piles driven into the ground.(句中or在这里表示“或者说”,提示划线单字的意义为building more than twenty stories high)
Unlike her gregarious sister, Jane is a shy, unsociable person who does not like to go to parties or to make new friends. (从Unlike所表示的对照关系,可以确定划线单字的意义正是shy, unsociable的反面,即sociable, friendly)
In spite of the fact that the beautiful egret is in danger of dying out completely, many clothing manufacturers still offer handsome prices for their long, elegant tail feathers, which are used as decorations on ladies’ hats.(从全句的意思,特别是描述其特征的feathers等词,可判断划线单字是指a type of bird)
Scholars’ opinion about why L. cave dwellers hid their art(学者关于L.洞居民为何藏匿其艺术发表的观点) Reasons to substantiate this opinion (证实此观点的理由) Reasons to disprove this opinion (反证此观点的理由)