压裂酸化施工时,通常采用稠化酸是为了扩大酸化作用距离。()
参考答案:对
It's ____ good food that we all like it very much. [ ]
A. so a
B. such a
C. so
D. such
流行性乙型脑炎病变最轻的部位是()
A.脊髓
B.延髓
C.小脑
D.基底核
E.大脑皮质