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【单选题】Compared with their cosmologist(宇宙学家) colleagues, cosmogonists(星源学家) can sound a little old-fashioned. Edgar Allen Poe turned to the mysteries of cosmogony in an 1848 public lecture, just reprinted by...
A.
cosmogonists have more disagreements about the distant outer space
B.
astronomers have already obtained full knowledge about Uranus and Neptune
C.
there exist a lot of mysteries for cosmogonists in inner space
D.
cosmogonists are often reluctant to go home for the existence of deeper family mysteries
【单选题】卫生法律规范是指
A.
反映统治阶级意志，由国家制定或认可并以国家强制力保证实施的行为规范的总和
B.
由国家制定或认可，旨在调整保护人体健康活动中形成的各种社会关系的法律规范的总和
C.
执政阶级为维护人体健康，通过国家制定或认可的行为规则的总称
D.
统治阶级为维护人体健康，通过国家制定或认可的行为规则的总称
E.
执政阶级为维护人体健康，通过国家制定或认可，并用国家强制力保证实施的行为规则的总称