According to the text,online publication is significant in that_____.
A.it provides an easier access to scientific results
B.it brings huge profits to scientific researchers
C.it emphasizes the crucial role of scientific knowledge
D.it facilitates public investment in scientific research
第2题
A.入睡困难
B.多梦
C.早醒
D.睡眠需要减少
E.易惊醒
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