首页
登录
职称英语
Wi-Fi is a method of communication between computers without the use of wire
Wi-Fi is a method of communication between computers without the use of wire
游客
2024-02-18
39
管理
问题
Wi-Fi is a method of communication between computers without the use of wires. This is how it 【S1】______. One computer has a very small, low-power radio 【S2】______ and receiver device. It communicates with a device called a router(路由器) that is 【S3】______ to a second computer. The second computer is linked to the Internet in the 【S4】______ way by telephone. The router sends and receives signals to and from both computers.
The first computer must be within several meters of the router for the system to work. 【S5】______ can be placed almost anywhere. Usually, a network of routers 【S6】______ a large area. As a result, a person with a small laptop computer can use the machine to link with the Internet at any place that has a router.
Wi-Fi uses several frequencies at the same time. This prevents 【S7】______ and produces a clear radio signal. Most modern laptop computers search for the nearest Wi-Fi link as soon as they are turned on. The computer produces a message telling the owner if it has found a Wi-Fi link and how 【S8】______ the signal is.
Wi-Fi is becoming 【S9】______ popular in the United States. Industry experts say that more than 64 million Wi-Fi systems are expected to be sold this year. More than 8.5 million American homes have Wi-Fi 【S10】______. Experts say this is expected to increase to 28 million homes in 2008.
Word Bank:
A. commonly I. works
B. covers J. Routers
C. transmitter K. fast
D. joined L. attached
E. extremely M. strong
F. traditional N. equipment
G. signal O. exercises
H. interference
选项
答案
I
解析
根据句子结构此处应为一般现在时第三人称单数动词;根据文中第一句话可知此处谈的是无线上网技术的工作原理。exercise除“锻炼”之意外,还有“运用,使用”的意思,但它是及物动词,所以应选works。
转载请注明原文地址:https://tihaiku.com/zcyy/3460604.html
相关试题推荐
______researchisbeingdoneintotheconnectionbetweenthediseaseandpoorl
Thecrimeofthecorruptofficialsmustbe______withoutanyreserve.A、exploded
Thelineofrailway,whichwascompletedlastyear,______betweenLondonandYo
Thegovernmentistryingtodosomethingto______betterunderstandingbetween
Inaddition,amethodofentryhasbeen______bywhichlegaltrainingisobtain
______thatthetradebetweenthetwocountriesreacheditshighestpoint.A、Duri
Withoutthehelpofthegovernmentfewpeoplealongtheriverwould______there
Aftertheconflictbetweentheresidents,thestreetsweredeserted______thep
Theneedforbirthcontrolmethodshasdevelopedfairly【B1】______,withthe
Theneedforbirthcontrolmethodshasdevelopedfairly【B1】______,withthe
随机试题
Hefelt______whenheheardthebadnews.A、happyB、pleasedC、sadC本句意为“当他听到这个不好
ATheSpeechofthePresiderThepresidingovermeetingsisoneofthecommunica
InwhichwaydoesEnglishdiffermostfromChinese?EnglishdiffersmostfromCh
DearClient,OfficeAngelsAgencyisadvisingbusinessestoplanasfarahea
【B1】[br]【B11】[originaltext]Womenare,onthewhole,moreverbalthanmen.
有关冠心病的概念,下列哪项不正确()A.又称充血性心脏病 B.是由于冠状动
关于固定义齿固位体的选择,叙述不正确的是()A.在选择固位体时,必须
单子叶植物的根及根茎断面有一圈环纹,此环纹是A.形成层环纹B.木质部环纹C.石细
忌用燃烧法灭菌的物品是A.换药碗 B.病理标本 C.手术刀 D.特殊感染病
某新办物资企业为进一步扩大销售,决定对所售产品市场情况进行系统调查并进行市场预测
最新回复
(
0
)