题目内容

Internet网提供的电子邮件的英文术语是____。

A. FTP
B. Telnet
C. E-mail
D. WWW

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写邮件时,除了发件人地址之外,另一个必须要填写的是____。

A. 信件内容
B. 收件人地址
C. 主题
D. 抄送

Pleasecompleteajobadvertisementbyfillingineachblankwithnomorethanthreewordsaccordingtothegiveninformation.LAN DESIGN ASSISTANTJobDescriptionHelptodesignLANsusingtherelatedtechnologiesforclient'sbuildingsManagetheimplementationofLANsatclient'ssitesthroughoutthecityHelptodevelopLANstandardsasanassistantparticipantDevelopandmaintainrelationshipswithsuppliersofnetworkequipmentandservicesProvidehigh-leveltechnicalsupporttoon-siteandcentraloperationsRequiredEducationAssociatedegreeinComputerScience,TelecommunicationorotherrelatedfieldsRequiredSkillsBeabletodesignandimplementLANsBefamiliarwithnetworksecurityBeskilledatusingOfficetools,includingWord,Excel,PowerPoint,etcContactUsPleasesendyourresumeinbothChineseandEnglishtohr@abccom.comA Job AdvertisementPositionoffered:____1Mainresponsibilities:Helpto_2__LANs_3___relationshipswithsuppliersProvide_4__tooperationsQualifications:5incomputer-relatedfieldsKnowledgeabout LAN, 6andOfficetoolsWayofcontact:by_7_______

光纤损耗的主要包括、、和连接损耗。

用SSR标记进行种间分类时，SSR引物有（）条。

A. 1
B. 2
C. 3
D. 4