We learn from the passage that the author ______.( ) Acomments on three different opinions Bfavors one of the three opinions Cexplains an opinion of his own Drevises someone else's opinion

问答题In the last paragraph the author points out that _____.( ) Asleeping less is good for human development Bpeople ought to be persuaded to sleep less than before Cit is incorrect to say that people sleep too little Dthose who can sleep less should be encouraged 5 (单选题)

问答题某外文编辑网站招聘翻译员，统计发现在13个应聘者中，会英语、日语、法语的人数之比为，只会两种语言的人占至少会两种语言的，所有人都至少会一门外语。则三种语言都会的有