问题补充:
单选题Researchersclaimtohavefoundthefirstproof_______gettingaregulareighthoursanightreallydoesmakeyouappearhealthierandmoreattractive.A.asB.thatC.howD.which
答案:
B解析当先行词前有限制性修饰语时,引导词用that,句子总先行词proof证明前有限制性修饰词first,故用that,研究人员声称他们找到了第一个证据,每晚按规律休息8小时,会使你显得更健康,更有吸引力.