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《建設工程安全生產管理條例》規定，施工單位采購的施工機具及配件，應當具有()，并在進入施工現場前進行查驗。
A.使用許可證和產品合格證
B.產品許可證
C.生產許可證
D.生產許可證和產品合格證
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第1題
Mobile computers-which(71)laptops, notebooks, subnotebooks and handhelds-(72)so ubiquitous
in such a short time, no surprise to hear who say: "It will define the leading edge(73)the next five years or so." The most remarkable(74)mobile computers is the amount of data storage and memory packed(75)their tiny boxes. These devices not only handle windows easily but also run storage-hungry programs.
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A．included
B．include
C．have included
D．have become
E．had become
第2題
A.readableB.reusableC.possibleD.constructionsE.syntactic
A．readable
B．reusable
C．possible
D．constructions
E．syntactic
第4題
whether to go with a shared or switched fast LAN technology once you start to max out
your shared Ethernet of token-ring LAN is tough call. Users and analysts involved in(101)high-speed LANs have learned the benefits of each. However, there are trade-offs to each, and(102)which fast LAN technology to choose is critical for(103)network performance problems and(104)costly purchasing mistakes.
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A．avoiding
B．clipping
C．choosing
D．deciding
E．dissolving
第5題
A.impossibleB.fearfulC.feasibleD.programE.question
A．impossible
B．fearful
C．feasible
D．program
E．question
第6題
A local-area network(LAN)is a communications network that(125)a variety of devices and pro
vides a(126)for information exchange among those devices. The scope of the LAN is small typically a single building or a cluster(叢)of buildings. The LAN is usually owned by the same organization that owns the(127)devices. The internal data rate of LAN is at least several Mb/s.The basic of LAN communication is broadcasting. At each station, there is a transmitter/receiver that communicates over a(128)shared, By other stations. A transmission from any one station is(129)to and received by all other stations.
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A．broadcast
B．cable
C．control
D．interconnects
E．internet
第8題
MIMD systems can be classified into(150)-oriented systems, high-availability systems and r
esponse-oriented systems.The goal of(150)-oriented multiprocessing is to obtain high(150)(151)minimal computing cost. The techniques employed by multiprocessor operating systems to achieve this goal take advantage of an inherent processing versus input/output balance in the workload to produce(152)and(153). loading of system(154)
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A．though
B．through
C．throughout
D．throughput
第9題
關系數據庫中有三種基本操作,從表中選出滿足某種條件的元素的操作稱為()。A.選擇B.投影C.連接D.掃
關系數據庫中有三種基本操作，從表中選出滿足某種條件的元素的操作稱為( )。
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A．選擇
B．投影
C．連接
D．掃描
第10題
由計算機、操作系統、DBMS、數據庫、應用程序及用戶等組成的一個整體叫()。A.數據庫系統B.數據庫管理
由計算機、操作系統、DBMS、數據庫、應用程序及用戶等組成的一個整體叫( )。
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A．數據庫系統
B．數據庫管理系統
C．文件系統
D．軟件系統
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