在煤与瓦斯突出的矿井中施工，按照审批的施工组织设计，采用人工装岩，掘进定额中的人工以 （）系数调整
A. 1.11
B. 1.1
C. 1.23
What does the author think important for bioethics activities？
A. Social status of those involved.
B. The academic quality.
C. Governmental regulations.
D. Consensus within the fields.
The best title for this passage is
A. Institutional solution for bioethics.
B. Amateur bioethicists are coming for help!
C. What status should bioethics hold？
D. What counts as good part-time bioethics？
为预防乙型病毒性肝炎在围生期的传播，患有乙型病毒性肝炎的妇女应加强营养，必须避孕;在肝炎痊愈后至少半年最好1年后再怀孕。()
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