After they ____ the first super computers in the 1940s, scientists and engineers began to develop ways to create networks.A、createB、createdC、have createdD、has created

题目
After they ____ the first super computers in the 1940s, scientists and engineers began to develop ways to create networks.

A、create

B、created

C、have created

D、has created

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1.[ A] develop[ B ] differ[ C] depart[ D] derive

2.America, Japan and Canada are all _______ countries.A.developingB.less developedC.developedD.develop

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4.下列关于PDCA循环理论描述中正确的是A、Play、Do、Check、AbbreviateB、Play、Develop、Check、ActionC、Play、Develop、Capacity、AbbreviateD、Plan、Do、Check、ActionE、Plan、Do、Check、Abbreviate

更多“After they ____ the first super computers in the 1940s, scientists and engineers began to develop ways to create networks. ”相关问题

  • 第1题：

    Youneedtodesignaconfigurationforthemailboxservers.Whatshouldyoudo?()

    A.CreatetwoExchangeServer2003computers.Placethemailboxesformainofficeusersononeserver，andplacethemailboxesforremoteusersontheotherserver

    B.CreateaNetworkLoadBalancingclusterthatcontainstwoExchangeServer2003computers.Placehalfoftheusermailboxesononeserver，andplacehalfoftheusermailboxesontheotherserver

    C.CreateaMicrosoftClusterServerclusterthatcontainstwoExchangeServer2003computers.Placealloftheusermailboxesononeserverandconfiguretheotherserverasafailovernode

    D.CreateaMicrosoftClusterServerclusterthatcontainstwoExchangeServer2003computers.Placehalfoftheusermailboxesononeserver，andplacehalfoftheusermailboxesontheotherserver


    参考答案：D

  • 第2题：

    He picked a book from the bookshelf and then commenced to read.

    A: directed
    B: commented
    C: committed
    D: began

    答案：D
    解析：
    句意：他从书架上拿了一本书，然后开始读了起来。A. directed意为“指导”;B.commented意为“评论”; C. committed意为“犯罪”; D. began意为“开始”，题中commenced意为“着手”，与D意思相近，故选择D。

  • 第3题：

    下面关于伪类和伪元素的说法不正确是

    A．伪类和伪元素的写法类似，只在CSS选择器中体现，不许书写HTML

    B．:active，：hover属于伪类

    C．:first-child，:first-line,:first-letter属于伪类

    D．:before,:after属于伪元素


    first-child，:first-line,:first-letter属于伪类

  • 第4题：

    They agreed to modify their policy.

    A:clarify
    B:change
    C:define
    D:develop

    答案：B
    解析：

  • 第5题：

    下列选项中，修改表名的基本语法格式是

    A．ALTER TABLE表名 MODIFY 字段名1 FIRST|AFTER 字段名2

    B．EXEC sp_name 旧表名，新表名

    C．ALTER TABLE表名 CHANGE字段名1 数据类型 FIRST|AFTER 字段名2

    D．ALTER TABLE表名 CHANGE字段名1 数据类型 FIRST|AFTER 字段名2


    EXEC sp_name 旧表名，新表名

  • 第6题：

    AFTER触发器要求只有执行以下哪种操作 之后触发器才被触发

    A．UPDATE

    B．INSERT

    C．DELETE

    D．CREATE


    正确

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