A glass is made of _______.
A.glasses
B.a glass
C.glass
D.the glass
A.glasses
B.a glass
C.glass
D.the glass
第1题
A.Spotted
B.Stained
C.Marked
D.Dotted
第2题
walks of modern buildings.
A.can
B.may
C.should
D.must
第3题
A.very, to
B.too, as to
C.too, to
D.so, to
第4题
A.Because the entire bridge is made of glass.
B.Because the entire bridge except the two approach spans is made of glass.
C.Because the two approach spans are made of glass.
D.Because the roadway of the bridge is made of glass.
第5题
A.error
B.mistake
C.responsibility
D.result
第6题
A.Damage Bill of Lading
B.Letter of Indemnity
C.Non-negotiable Bill of Lading
D.Unclean Bill of Lading
第7题
In the strength of the carrier signal is varied to represent binary 1 or 0.
(72) is a system that can map a name to an address and conversely an address to an name.
(73) is a three-way handshaking authentication protocol that it's packets are encapsulated in the point-to-point protocol
(74) is an approach that enables an ATM Switch to behave like a LAN switch.
(75) is an guided media which is made of glass or plastic and transmits signals in the form. of light.
A.ASK
B.PSK
C.FSK
D.FDM
第8题
In(66)the strength of the carder signal is varied to represent binary 1 or 0.(67)is a system that can map a name to an address and conversely an address to an name.(68)is a three-way handshaking authentication protocol that it's packets are encapsulated in the point-to-point protocol.(69)is an approach that enables an ATM Switch to behave like a LAN switch.(70)is an guided media which is made of glass or plastic and transmits signals in the form. of light.
A.ASK
B.PSK
C.FSK
D.FDM
第9题
In(66)the strength of the carrier signal is varied to represent binary 1 or 0.(67)is a system that can map a name to an address and conversely an address to an name.(68)is a three -way handshaking authentication protocol that it's packets are encapsulated in the point - to -point protocol.(69)is an approach that enables an ATM Switch to behave like a LAN switch.(70)is an guided media which is made of glass or plastic and transmits signals in the form. of light.
A.FDM
B.DSK
C.FCK
D.ASK
第10题
● (71) In the strength of the carrier signal is varied to represent binary 1 or 0.
(72) is a system that can map a name to an address and conversely an address to an name.
(73) is a three-way handshaking authentication protocol that it's packets are encapsulated in the point-to-point protocol
(74) is an approach that enables an ATM Switch to behave like a LAN switch.
(75) is an guided media which is made of glass or plastic and transmits signals in the form. of light.
(71) A.ASK
B.PSK
C.FSK
D.FDM
(72) A.NAT
B.NCP
C.DDN
D.DNS
(73) A.PPP
B.PAP
C.CHAP
D.LCP
(74) A.VLAN
B.LANE
C.VPN
D.IPOA
(75) A.Coaxial cable
B.Optical fiber
C.Unshielded Twisted-pair Cable
D.Shielded Twisted-pair Cable
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