淋菌性 * * 炎的诊断包括A．典型的临床表现及不洁性交史 B． * * 分泌物涂片找到革兰阴性

()影响着幼儿园的精神风貌，对全园的成人和幼儿都有潜移默化的作用。

A．幼儿园文化

B．幼儿园环境

C．幼儿园师资

D．幼儿园课程

如怀疑子宫内膜结核，作诊断时应注意哪些问题

回答下列问题：

若系统中既没有运行进程，也没有就绪进程，系统中是否就没有进程为什么

In a public-key cryptosystem, (71) encrypted with the public key can only be deciphered with the private key from the same (72) . Conversely, (71) encrypted with the private key can be decrypted only with the public key. Users can make their public keys (73) available or place them at a key distribution center or others to access. However, the private key must be (74) safe. In public-key systems there’s no (75) to find a safe channel for communicating a shared secret key.

（74）是（）

A.keep

B.keeped

C.keeping

D.kept