危险废物贮存设施的选址要求中规定：场界应位于地表水域（）以外。
A.100m
B.150m
C.200m
D.250m
参考答案：B
Fuzhou-Quanzhou-Xiamen high-speed railway has been running for more than a year. ______, fewer people take the trip by bus.
A．In addition
B．As a result
C．Besides
D．On the other hand
下列哪项不符合线粒体DNA复制的事实（）
A.复制是双向的
B.复制需消耗能量
C.不对称复制
D.半保留复制
E.复制发生于G2期
