双纹线是目前局域网上最常用的传输介质。
1、正确正确
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下面哪些是图层剪贴路径所具有的特征()
Directions:Inthissection,youwillhear10shortconversations.Attheendofeachconversation,aquestionwillbeaskedaboutwhatwassaid.Boththeconversationandthequestionwillbespokentwice.Aftereachquestiontherewillbeapause.DuringthepauseyoumustreadthefourchoicesmarkedA),B),C)andD),anddecidewhichisthebestanswer.ThenmarkthecorrespondingletterontheAnswerSheetwithasinglelinethroughthecenter.
1.A)Dosometyping.
B)Buysomepaper.
C)Askthemantotype.
D)Wanttorunwiththeman.
2.A)10:50
B)10:15
C)10:48
D)10:52
3.A)Husbandandwife.
B)Agirlandherboyfriend.
C)Teacherandstudent.
D)Oldfriends.
4.A)Policeman.
B)Salesman.
C)Cardriver.
D)Conductor.
5.A)Inaschool.
B)Inatheater.
C)Inarestaurant.
D)Athome.
6.A)Sheagreed.
B)Shedisagreed.
C)Shewasimpatient.
D)Shewasworried.
7.A)Somethingcold.
B)Coffee.
C)Tea.
D)Somethinghot.
8.A)Gold.
B)Blue.
C)Brown.
D)Black.
9.A)Hedidn’knowtwheretofindtheprofessor.
B)Hehaddifficultydoingtheexperiment.
C)Hefailedtheexam.
D)Hecouldn’graduatetfromtheuniversity.
10.A)Themaniscoughing.
B)Themangaveupsmoking.
C)Themanhasalungdisease.
D)Themanhasaheartattack
根据《建设工程安全生产管理条例》规定,安装、拆卸施工起重机械和整体提升脚手架、模板等自升式架设设施,应当编制拆装方案、制定( )措施,并由专业技术人员现场监督。
混凝土中粗骨料粒径经大小还受结构截面尺寸限制,最大粒径不得超过结构截面最小尺寸的()。
水利水电施工企业申请水利安全生产标准化的单位应具备的条件是:水利水电施工企业在评审期(申请等级评审之日前1年)内,未发生重大及以上生产安全事故,不存在非法违法生产经营建设行为,重大事故隐患已治理达到安全生产要求。