按建标[2003]206号文的规定,在建安工程造价中,安全施工费=( )×安全施工费费率。
A.人工费
B.直接工程费
C.材料费
D.直接费
参考答案:B
--Who helped you with your English?
--________! I learned it all by myself. I think it’s a ________ way than asking for others’ help.
A.Nobody; better
B.Anybody; better
C.Somebody; good
D.Nobody; good
甲级非密封源工作场所的放射性核素日等效最大操作量大于()。
A.2×107Bq
B.2×108Bq
C.4×lO9Bq
D.4×1010Bq