中兴通讯HSDPA商用分为Phase I和Phase II阶段,属于Phase I阶

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问题:

中兴通讯HSDPA商用分为Phase I和Phase II阶段,属于Phase I阶段的特点的是()。

A、已经取得了业界瞩目的进展,支持多用户调度,单小区可以支持64个用户调度。

B、支持与R99共享载频和独立载频两种建网方式。

C、通过调度算法,中兴通讯HSDPA已经实现对单用户分配15码道,从而使单用户/单小区最高下行峰值速率达到了10.8Mbps这一业界领先水平。

D、通过调度算法,中兴通讯HSDPA已经实现对单用户分配15码道,从而使单用户/单小区最高下行峰值速率达到了14.4Mbps这一业界领先水平。

考点:移动联通网络知识考试中兴WCDMA基础知识中兴WCDMA基础知识题库
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查处酒后驾驶采用的“便携式乙醇测量仪”以燃料电池为工作原理,在酸性环境中,理论上乙醇可以被完全氧化为CO2,但实际乙醇被氧化为X,其中一个电极的反应式为:CH3CH2OH—2e→X+2H+.下列说法中正确的是(  )

A.电池内部H+由正极向负极移动

B.另一极的电极反应式为:O2+4e+2H2O=4OH

C.乙醇在正极发生反应,电子经过外电路流向负极

D.电池总反应为:2CH3CH2OH + O2→2CH3CHO + 2H2O

题型:多项选择题

牙冠上的“结节”是指()

A.牙冠某部釉质过分钙化所形成的小突起

B.釉质的半月形隆起

C.釉质在唇颊面的纵形隆起

D.釉质在唇颊面的横行隆起

E.釉质近似锥形的显著隆起

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2012年是《中华人民共和国行政许可法》实施的第八年。近八年来,各级政府根据该法实行行政审批制度改革,在大量削减行政审批项目的同时,简化行政审批程序,以“进一个门办好,交规定费办成,在承诺日办结”为标准,建立专门的行政审批中心,并将其纳入电子政务建设规划之中。行政审批制度改革有利于政府(    )

①贯彻依法行政原则 ②更好地服务群众 ③提高办事效率④监督其他国家机关

A.①③④

B.①②④

C.①②③

D.②③④

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高速旋转机械的联轴器,内外圆的同轴度,端面与轴心线的垂直度,都要求作到十分精确,误差希望在()以内。

A、0.1mm

B、0.2mm

C、0.02mm

D、0.01mm

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The International Whaling Commission’s (IWC) decision to retain its ban on whaling does not mean that the killings will stop. Quite the (1) .

Save the Whale. It’s a phrase which became annoying with (2) , an unfavorable shorthand for liberal consciences. How appalling, then, that in the year 2010, it should be pressed (3) service again, to fight the whaling nations: Norway and Iceland, who exempted themselves from the 1986 prohibition (4) by the IWC, and Japan, which hunts whales under cover of " (5) research".

I am completely (6) by this week’s events in Morocco, where talks broke down. In my heart, I agree with those who have (7) the news that this year’s negotiations of the IWC have broken up, and (8) the prohibition would not be lifted (as the US proposed in a desperate (9) to break the deadlock). Yet reason (10) something else. If we do not (11) some kind of new control, the (12) will be able to go on with their slaughter (13) . Membership of the IWC is (14) , and the ban was only ever intended to be (15) . Japan, which has been buying the votes of nations with no interest in whaling (only in the 16 Japan offers in turn), will continue to press its case, having invested millions of dollars in its (17) . Geoffrey Palmer, New Zealand’s Commissioner at the IWC, has proposed a year-long (18) period. In the meantime, more whales will die.

We stand at a crossroad for whales. We see the (19) existence of these animals as an indicator of ecological threat. As symbols of an endangered world, they evoke, and provoke, a feeling that they have the same qualities as human on a scale equal to their size and supposed (20) . To some this is so much sentimental words in the New Age.

13()

A.unsustained

B.unrestrained

C.uncertified

D.unconfirmed

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