在食管腐蚀伤的急性期应用糖皮质激素可减少创伤反应,有()、()、抑制成纤维肉芽组织的形成和()的作用。
参考答案:抗休克;消除水肿;防止瘢痕狭窄
As she _________the newspaper, Granny _________asleep.
A.read, was falling
B.was reading, fell
C.was reading, was falling
D.read, fell
现有60℃的饱和食盐溶液,与该溶液有关的量有①水的质量;②溶液中溶质NaCl的质量;③NaCl的质量分数;④60℃时NaCl的溶解度;⑤溶液的质量.用序号填空:
(1)将该饱和溶液稀释,不变的量有______;
(2)将该饱和溶液降温至20℃,一定变化的量有______;