下列管线刷红色漆是（）。
A.消防水管线
B.低压蒸气管线
C.中压蒸汽管线
D.高压蒸汽管线
参考答案：B, C, D
既能活血行气，又能凉血的药物是（）
A.郁金
B.川芎
C.丹参
D.西红花
E.血竭
Alice is sitting ________ two students. The one on her left is Mary and the one on her right is James. [ ]
A. behind
B. between
C. in front of
D. across from
