对处理易溶气体的吸收,为较显著地提高吸收速率,应增大()的流速。
A.气相
B.液相
C.气液两相
D.视具体情况而定
参考答案:A
The novel will________soon,and I think, it will be well received by the teenagers.[ ]
A. put out
B. turn out
C. come out
D. go out
流行性腮腺炎的基本病理变化是( )
A.受累腺体的化脓性炎症B.受累腺体的非化脓性炎症C.腮腺的充血、肿胀D.腮腺的充血、肿胀及粒细胞的浸润E.受累腺体的充血、肿胀及粒细胞的浸润