能经预防阻断宫内传播的病毒性肝炎有
A.甲型和乙型B.乙型和丁型C.甲型和戊型D.乙型和丙型E.甲型和丁型
参考答案:B
Discourse theory of second language acquisition was developed from the______.
A.habit formation theory
B.Halliday's theory of first language acquisition
C.monitor theory
D.Cognitive theory
《中 * * 党纪律处分条例》规定,党员领导干部对符合政策的群众诉求消极应付、推诿扯皮,损害党群、干群关系的行为,违反了党()
A、组织纪律
B、群众纪律
C、政治纪律
D、廉洁纪律