All of these applications will enhance the(130)of life and spur economic growth. Over half of the U.S. work force is now in jobs that are information(131). The telecommunication and information sector of the U.S. economy now(132)for 12 percent of the Gros

题目

All of these applications will enhance the(130)of life and spur economic growth. Over half of the U.S. work force is now in jobs that are information(131). The telecommunication and information sector of the U.S. economy now(132)for 12 percent of the Gross Domestic Product, growing much faster than any other sector of the economy. Last year the(133)in this sector exceeded 700 billion dollars. The U.S. exported over 48 billion dollars of telecommunication equipment(134).

A．quantity

B．quality

C．mass

D．amount

相似考题

1.You want to upgrade the Ezonexam LAN so that all ports operate in full duplex mode. Which statement is true about full-duplex Ethernet when comparing to half-duplex Ethernet?A．Full-duplex Ethernet consists of a shared cable segment. Half-duplex provides a point-to-point linkB．Full-duplex Ethernet uses two wires to send and receive. Half-duplex Ethernet uses one wire to send and receiveC．Full-duplex Ethernet can provide higher throughput than can half-duplex Ethernet of the same bandwidthD．Full-duplex Ethernet uses a loopback circuit to detect collisions. Half-duplex Ethernet uses a jam signalE．None of the above

2.( ) are learned at our school.A、Economics, mathematics and physicsB、Economics, mathematics and physicC、Economic, mathematics and physicsD、Economic, mathematic and physics

3.This is an opportunity to()the reputation of the company.A. helpB. promoteC. enhance

4.When you compare the differences between half-duplex and full-duplex Ethernet, which of the following characteristics are exclusive to half-duplex? (Select two answer choices)A．Half-duplex Ethernet operates in a shared collision domain.B．Half-duplex Ethernet operates in an exclusive broadcast domain.C．Half-duplex Ethernet has efficient throughput.D．Half-duplex Ethernet has lower effective throughput.E．Half-duplex Ethernet operates in an exclusive collision domain.

参考答案和解析
正确答案：B
更多“All of these applications will enhance the(130)of life and spur economic growth. Over half ”相关问题

  • 第1题：

    A ___ (救生圈) should be located on the gangway.

    A.life-jacket

    B.life-raft

    C.life-buoy

    D.life-boat


    正确答案：C

  • 第2题：

    What are the differences between full－duplex Ethernet and half－duplex Ethernet?()

    A. Half-duplex Ethernet operates in a shared collision domain.

    B. Full-duplex Ethernet has a lower effective throughput.

    C. Half-duplex Ethernet operates in a private collision domain.

    D. Full-duplex Ethernet allows two-way communication.

    E. Half-duplex Ethernet operates in a private broadcast domain.


    参考答案：A, D

  • 第3题：

    以下选项中单词都包含[ f ]发音的是：

    A．photo, former, office

    B．life, tough, tooth

    C．five, breath, knife

    D．telephone, half, touch


    photo, former, office

  • 第4题：

    查看全网整体告警的操作是()

    A.Applications->Ericsson->Alarm->ViewAlarms->AlarmStatusMatrix

    B.Others

    C.Applications->Ericsson->Alarm->ViewAlarms->AlarmLogBrower

    D.Applications->Ericsson->Alarm->ViewAlarms->AlarmListViewer


    参考答案：A

  • 第5题：

    I have been asked to draw your attention to the following points.

    A:withdraw
    B:divert
    C:attract
    D:enhance

    答案：C
    解析：
    本句意思：“我被要求让你注意以下几点。”attract：吸引，例如：The race organizers are trying to attract sponsors.比赛的组织者在想方设法吸引赞助者。withdraw：撤走，例如：Government troops were forced to withdraw．政府军队被迫撤走了。divert：转移注意力，例如: Don't divert the subject into a side issue．别把话题转向枝节问题。enhance：增强，例如：This is an opportunity to enhance the reputation of the company．这是提高公司声誉的机会。

  • 第6题：

    7. 半衰期（half-life，t1/2)


    半衰期是指血浆药物浓度下降一半所需的时间。

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