土地使用过程中,()控制是为了保证良好的城市环境质量,对建设用地能够容纳的建设量和人口聚集量作出的规定。
A.用地面积
B.土地使用兼容
C.使用强度
D.人口密度
第1题
A.four
B.two
C.three
第2题
Electrical circuits are protected against overheating by means of a/an _______.
A.circuit breaker
B.amplifier
C.diode (二极管)
D.capacitor
第3题
第4题
A.guaranteed
B.protected
C.ensured
D.granted
第5题
第6题
A、a fact
B、the fact
C、the fact that
D、a fact that
第7题
●Frame. Relay is simplified form. of (71) ,similar in principle to (72) , in which synchronous, frames of data are routed to different destinations depending on header information .Packets are routed throught one or more Virtual Circuits known as (73) .Most Virtual Circuits are (74) ,which means that the network provider sets up all DLCI connections at subscription time. (75) are also part of the Frame. Relay specification .They privide a link that only lasts only as long as the session.
(71) A. Datagram Switching
B.Datagram Routing
C. Packet Switching
D.packet Routing
(72) A. X .21
B.X .25
C.X .28
D.X .29
(73) A. DLCIs
B.HDLCs
C.SDLCs
D.DLs
(74) A.Permanent Circuits
B.Permanent Virtual Circuits
C.Switched Virtual Circuits
D.Switching Circuits
(75) A.Permanent Circuits
B.Permanent Virtual Circuits
C.Switched Virtual Circuits
D.Switched Circuits
第8题
In motorships,there are two main circuits, _____.
A.one salt water, one fresh water
B.one salt water, one fuel
C.one fresh water, one fuel
D.one steam, one fuel
第9题
Let’s assume you ______ one of those categories.
A: fall down
B: fall off
C: fall into
D: fall in
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