缩句。
(1)张校长在一阵一阵热烈的掌声中宣读获奖证书。
(2)几架飞机像饿鹰抓小鸡一样俯冲下来。
(1) 张校长宣读获奖证书 。
(2)飞机俯冲下来。
典型的肾功能衰竭尿毒症期肾小球滤过率应小于()
A.10ml/min
B.20ml/min
C.25ml/min
D.60ml/min
E.120ml/min
Now the air in our city is _______ than it used to be.Something must be done to stop it.
A.very good
B.much better
C.rather bad
D.even worse