增生性龈炎为

A．牙龈增生覆盖牙冠不超过1/3
B．牙龈增生覆盖牙冠的1/3，不超过2/3
C．牙龈增生覆盖牙冠的1/2，不超过 2/3
D．牙龈增生覆盖常超过牙冠的2/3
E．牙龈形态基本正常
下列疾病牙龈增生的程度

Damages to the goods were caused by heavy snow（）transit.

A.at

B.in

C.of

D.with