确诊感染性心内膜炎最重要的辅助检査是A．血培养 B．血白细胞计数 C．血红细胞计数

温度应力式无缝线路，一般由哪几部分构成？

热力灭菌法分干热和湿热灭菌两类，并在同一温度下湿热灭菌效力较干热要强这是因为（）

A.可迅速提高温度

B.湿热有一定潜热、穿透力大，促进菌体蛋白凝固

C.迅速破坏细菌的酶系统

D.促进糖类分解

E.使细菌迅速失活

自由联想与______是______治疗的基本方法。

宁波帮全是海外的商人。

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.

A．length

B．pair

C．size

D．space