A．药物剂型 B．药物制剂 C．药剂学 D．调剂学 E．方剂 根据药典等标准、为适应治疗或预防的需要而制备

A．4B/SB

B．CRC

C．Manchester Code

D．Huffman Code

A．4B/SB

B．CRC

C．Manchester Code

D．Huffman Code

A．4B/SB

B．CRC

C．Manchester Code

D．Huffman Code

文中（2 ）处正确的答案是（）。

A．48/SB

B．CRC

C．Manchester Code

D．Huffman Code

A．4B/5B

B．5B/6B

C．8B6T

D．MLT-3

A．4B/5B

B．5B/6B

C．8B/6T

D．MLT-3

A．4B/5B

B．5B/6B

C．8B6T

D．MLT-3

A．4B/5B

B．5B/6B

C．8B6T

D．MLT-3

● (66) is a protocol that a host uses to inform. a router when it joins or leaves anInternet multicast group.

(67) is an error detection code that most data conlmunication networks use.

(68) is an interior gateway protocol that uses a distance vector algorithm to propagaterouting information.

(69) is a transfer mode in which all types of information are organized into fixed form. cells on all asynchronous or nonperiodic basis over a range of mediA．

(70) is an identifier of a web page.

(66) A．ICMP

B．SMTP

C．IGMP

D．ARP

(67) A．4B／5B

B．CRC

C．Manchester Code

D．Huffman Code

(68) A．OSPF

B．RIP

C．RARP

D．BGP

(69) A．ISDN

B．x.25

C．Frame. Relay

D．ATM

(70) A．HTTP

B．URL

C．HTML

D．TAG