对于高层建筑,回车场不宜小于()。
A.10m×10m
B.12m×12m
C.15m×15m
D.18m×18m
参考答案:C
解析:对于高层建筑,回车场不宜小于15m×15m。
在十八反中,不宜与丹参同用的药物是()
A.五灵脂
B.芦根
C.藜芦
D.漏芦
E.甘遂
20.Helen devoted herself__________to her research and became a top scientist in the field of applied physics.
A.seriously
B.extremely
C.entirely
D.Strictly