为防止撞击产生火花,在装运桶装石油产品时,应()。
A.放好衬垫
B.竖直排列
C.牢固绑扎
D.A、B、C均是
参考答案:D
中药材的生产基地或大的中药材种植户的种植区会有专门进行产地加工的地方。
下列不属于利用沸水烫的炮制方法的是()
A.百部
B.木瓜
C.山茱萸
D.栀子
E.地龙
Certificates are (66) documents attesting to the (67) of a public key to an individual or other entity. They allow verification of the claim that a given public key does in fact belong to a given individual. Certificates help prevent someone from using a phony key to (68) someone else. In their simplest form, Certificates contain a public key and a name. As commonly used, a certificate also contains an (69) date, the name, of the CA that issued the certificate, a serial number, and perhaps other information. Most importantly, it contains the digital (70) of the certificate issuer. The most widely accepted format for certificates is X.509, thus, Certificates can be read or written by any application complying with X.509.
A.connecting
B.binding
C.composing
D.conducting