【单选题】已知Head(Tail)[Head(s),Head(Tail(Tail(S)))]))=[a],广义表S满足上式,则S为( )。
【判断题】“营业税金及附加”账户用来反映企业应交税费的增加数。 ( )
【单选题】①红细胞破坏过多是指红细胞寿命缩短引起的溶血性贫血,有先天遗传性的溶血性贫血,也有后天获得性的溶血性贫血 ②失血包括急性失血和慢性失血 ③其发病机制可以概括为红细胞生成不足或减少、红细胞破坏过多和失血三类 ④当然,贫血也可以是多因素叠加的结果 ⑤贫血是继发于多种疾病的一种临床表现 ⑥红细胞生成不足或减少包括大家熟悉的再生障碍性贫血,造血原料如铁、叶酸、维生素B缺乏引起的营养性贫血,肿瘤细胞浸润骨髓...
【简答题】广义表A((( ),(a,(b),c))),head(tail(head(tail(head(A))))等于 。
【单选题】Which of the following is TRUE about the effect of learner factors on pronunciation?
A.
Learners whose native language has similar sounds to English are more likely to have problems with pronunciation.
B.
Learners who have more exposure to English need more focus on pronunciation.
C.
learners need more focus on pronunciation.
D.
Young learners need more focus on pronunciation.