急性胰腺炎时,胃肠减压的作用是()。
A.减少胆囊收缩素的分泌
B.吸出胃液,减少其对促胰液素的刺激作用
C.减轻腹胀
D.减少胰腺的分泌
E.以上均正确
参考答案:E
.
_____ price decline ______ farmers' income, the central government has decided to buy more crops to protect farmers.
A.Preventing; to affect
B.To prevent; affecting
C.Having prevented; affecting
D.To prevent; being affected
LNG储罐内外罐之间用()弹性玻璃纤维或泡沫玻璃砖等材料绝热保温。
A、保温绵
B、膨胀珍珠岩
C、钢化玻璃砖
D、保温胶膜