隐匿性肾炎( )|
A.C3一过性降低,8周后恢复正常
B.C3持续性降低
C.C3在肾炎活动时降低明显,肾炎控制后有回升趋势
D.C3一般不降低
E.C3增高
参考答案:D
多发生在年轻人的牙髓炎为( )
A.慢性溃疡性牙髓炎
B.慢性增生性牙髓炎
C.慢性闭锁性牙髓炎
D.牙髓坏死
E.以上均不正确
The teacher speaks very loudly _______ all the students can hear her.
A. so that B. because C. since