首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
The marvel of the machine age, the electronic computer has been【C1】______only since 1946. It can do simple computations — add, s
The marvel of the machine age, the electronic computer has been【C1】______only since 1946. It can do simple computations — add, s
admin
2014-01-13
14
问题
The marvel of the machine age, the electronic computer has been【C1】______only since 1946. It can do simple computations — add, subtract, multiply and divide —【C2】______lighting speed and perfect accuracy. It can multiply two 1-digit number in 1/1, 1000 seconds, a problem that would【C3】______an average person five minutes to do with pencil and paper. Some computers can work 500, 000 times faster than【C4】______.
Once it is given a "program" — that is, a【C5】______set of instructions devised by a technician trained in computer language — a computer can gather【C6】______information for many purposes. For example, it can【C7】______bank accounts up to date and make out electric bills. If you are planning a trip by plane, the computer will find out【C8】______route to take. Not only can the computer gather facts, it can also store them as fast as they are gathered and can【C9】______whenever they are needed. 【C10】______gathering and storing information, the computer can also solve complicated problems that once took months for people to do.
For example, 【C11】______sixteen hours an electronic brain solved a difficult design problem. First, it was【C12】______all the information necessary for designing a chemical plant. After running through 16, 000 possible designs, it【C13】______the plan for the plant that would produce the most chemical at the lowest cost. Then it issued a printed set of exact【C14】______. Before it solved this problem, a team of engineers having the same information had worked for a year to produce only three designs, 【C15】______of which was as efficient as the computer’s.
【C2】
选项
A、at
B、with
C、in
D、of
答案
B
解析
介词用法。此处表示computer具有lighting speed and perfect accuracy的性能,用with合理。故答案为B。
转载请注明原文地址:https://kaotiyun.com/show/sFQO777K
0
考博英语
相关试题推荐
Thecompanywantstoavoidany______questionsaboutitsfinances.
Somepeoplecriticizefamilydoctorsfor______toomanymedicinesforminorillnesses.
The______ofourcivilizationfromanagriculturalsocietytotoday’scomplexindustrialworldwasaccompaniedbyupheavaland,
Thousandsofpeople______fromGreeceeveryyeartoworkinWestGermany.
Likemanyotheraspectsofthecomputerage,Yahoobeganasanidea,【21】intoahobbyandlatelyhas【22】intoafull-timepassion.
IntheUnitedStatesandinmany【51】countriesaroundtheworld,therearefourmainwaysforpeopletobeinformed【52】developmen
Oneofthemainreasonsisthattheuniversity’s______attractsstudentsandfacultystaffallovertheworld.
Muchofthenewsprovidedbythisnewspaperis______,notforeign.
Computershaveaidedinthestudyofhumanitiesforalmostaslongasthemachineshaveexisted.Decadesago,whenthetechnolog
Muchhasbeenwrittenaboutpovertybutnoneoftheaccountsseemtogetattherootoftheproblem.Itmustbenotedthatthew
随机试题
氟元素含量过高的地区人畜常易患“克山病”。[]
A.绝缘性与双向性B.时间延搁与总和C.电双向传递信息D.以γ-氨基丁酸为递质,通过轴-轴型突触发挥作用突触前抑制
脐下5寸,前正中线旁开2寸第十一肋端下平脐处
围生期包括胎儿期一部分和婴儿期一部分,国内普遍采用的定义是
下列最能提示为急性出血性坏死性胰腺炎的化验结果是
通过出让获得的土地的使用权转让时,受让方经城乡规划行政主管部门批准变更了规划设计条件,其获得的收益应当()。
场景盖梁是指桩柱墩墩帽,除装配式的以外,需要现场立模浇筑。现浇混凝土盖梁施工应控制好模板设计、支架搭拆、预应力张拉三大环节的特殊点。根据场景,回答下列问题。当立杆基础不在同高度上时,必须将高出的纵向扫地杆向低处延长两跨与立杆固定,高低差不应(
清政府曾严禁商人参与朝廷饷银的汇兑业务,1862年却准许户部请求,利用民间票号的资金和汇兑网络解决朝廷饷银的调度问题。这一变化反映出()。
通过让教师或实习生进行教学决策的训练可以提高教师的教学能力。()
Workforceisdefinedasthetotalnumberofpeoplewhoareavailabletoworkandearnincomes.Thedefinitionincludeseveryone
最新回复
(
0
)