更多“扣件类型与轨枕类型要相匹配。”相关的问题
传染性非典型肺炎是由冠状病毒引起的主要以近距离空气飞沫和密切接触传播为主的呼吸道传染病。
A.对 B.错
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听力原文:M: Do you remember Regine? Where does she come from? Is she married? Where does she work? Listen to Regine speaking.W: My name is Regine. I'm German. I live in a small town. I'm not married. I live at home with my mother and father, my sister Heidi and my brother Roll I work in a department store. I sell writing paper, envelopes, bullpens, pencils and colored postcards. I walk to work every morning. I don't work on Saturday afternoon or Sunday and I have a three-week holiday in the sum- mer.M: Regine was seventeen then. Now she's twenty-two. Her life is very different. Let's do this television interview. Regine, at seventeen you worked in a big shop. Now you are the manager and you are only twenty-two. From seventeen to twenty-two. Five years to success. Can you tell us? The secret of your success?W: The 'secret', as you call it, is work. When I was seventeen, I lived at home. I walked to the shop every morning. I saved my money and I went to evening classes. I worked in a good department and I sold so much that I got a good commission. I really wanted to be a success. Now I'm the manager.M: Congratulations, Regine. But please tell us...do you like your job? Are you happier?W: You are asking me two questions. The first answer is 'yes' and the second answer is definitely 'no'.(20)A.70.B.27.C.17.D.22.
A.W:B.M:C.M:D...doE.(20)A.70.B.27.C.17.D.22.
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历史上美国发生了五次大的兼并浪潮,每次兼并侧重的形式不同,下列说法正确的是()。
A.第一次主要采用纵向一体化
B.第二次以横向兼并为主
C.第五次出现了杠杆兼并等新方式
D.第四次以混合兼并为主
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空气流量计和进气歧管压力传感器均可检测进气量。
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钢筋进场时应检验其()是否与质量证明文件相符。
A.品种; B.质量; C.抗拉强度; D.冷弯性能。
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发达经济29个国家或地区的总产出占全球总产出的_______%,发展中经济118个国家的总产出占全球总产出的_______%。A.51;42B.23;62C. 59;12D.30;46E.19;73
A.51;42
B.23;62
C.
B.30;46
E.19;73
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胀接时进行穿管,管端应留出()的加工余量,防止胀管时发生裂纹。
A、1~2mm
B、2~3mm
C、3~4mm
D、4~5mm
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光线照射物体时所产生的影子是()。
A.反光
B.投影
C.暗部
D.灰面
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以下程序输入三个整数值给a,b,c,程序把b中的值给a,把c中的值给b,把a中的值给c,交换后输出a、b、c的值。例如输入123,输出a=2b=3c=1。#includevoidmain(){inta,b,c,①;printf(“Entera,b,c:”);scanf(“%d%d%d”,②);③;a=b;b=c;④;printf(“a=%db=%dc=%d\n”,a,b,c);}
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《中华人民共和国安全生产法》规定:生产经营单位的从业人员有依法获得安全保障的(),并应当依法履行安全生产方面的()。
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制动系统紧急阀在充气缓解状态时,列车制动管压力空气经缩孔()向紧急室缓慢充风,直至两者压力相等为止。
A.Ⅰ
B.Ⅱ
C.Ⅲ
D.Ⅰ和Ⅱ
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除渣系统启动渣水循环启动正常后,开启渣水循环泵出口电动门。打开24个渣井密封水门、螺旋补水门。
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液态氯乙烯是一种()液体,在压力下()会产生()而自发(),所以氯乙烯设备、管道应作好()工作。
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()是指商业银行直接把产品供给客户,不需要借助中间商完成商品销售的策略。
A.金融超市 B.间接营销渠道 C.直接营销渠道 D.关系营销
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根据《旅游法》规定,以下情形中旅行社无须承担责任的是()。
A. 旅行社因为其地接社的原因而对旅游者违约 B. 旅 行社因为航空公司的原因而不能履行合同约定 C. 旅 游者未尽其应尽的配合、协助履行义务导致违约 D. 旅游者虽在自由活动期间发生损害,但旅行社未尽到安全提示义务
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