急进性肾炎与急性肾炎的鉴别是前者具有()
A.大量蛋白尿
B.少尿或无尿
C.显著高血压
D.迅速发生并加重的肾功能损害
E.血尿
参考答案:D
剧院、电影院、礼堂等人员密集的公共场所容纳人数不超过2000人时,每个安全出口的平均疏散人数不应超过()人。
A.50
B.100
C.150
D.250
Under no circumstances,()goods on their own account.
A.the middlemen will buy
B.will the middlemen buy
C.the middlemen would buy
D.will buy the middlemen