【单选题】O f the three branches of phonetics, the longest established, and until recently the most highly developed, is phonetics.
D.
none of the above three
【单选题】TCP/IP 协议栈不包括以下( )层次?[1分]
【判断题】Of the three branches of phonetics, the longest established, and until recently the most highly developed, is acoustic phonetics.
【判断题】O f the three branches of phonetics, the longest established and until recently the most highly developed, is articulatory phonetics.
【判断题】Of the three phonetics branches, the longest established one, and until recently the most highly developed, is acoustic phonetics.
【单选题】自上世纪 50 年代以来,全球每年平均爆发的大型龙卷风的次数从 10 次左右上升至 15 次。与此同时,人类活动激增,全球气候明显变暖,有人据此认为,气候变暖导致龙卷风爆发次数增加。 以下哪项如果为真,不能削弱上述结论( )
A.
龙卷风的类型多样,全球变暖后,小型龙卷风出现的次数并没有明显的变化
B.
气候温暖是龙卷风形成的一个必要条件,几乎所有龙卷风的形成都与当地较高的温度有关
C.
尽管全球变暖,龙卷风依然最多地发生在美国的中西部地区,其他地区的龙卷风现象并不多见
D.
龙卷风是雷暴天气(即伴有雷击和闪电的局地对流性天气)的产物,只要在雷雨天气下出现极强的空气对流,就容易发生龙卷风
【单选题】以下哪个人物形象没有在《暴风雨》中出现?