According to the passage, compared to 3G mobile phones, the second-generation phones ______. The double-blind laboratory tests

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问题 According to the passage, compared to 3G mobile phones, the second-generation phones ______.
The double-blind laboratory tests means ______.

选项 A、nobody taking part in the test knows if the 3G base station is transmitting signals
B、only the subjects in the test know if the 3G base station is transmitting signals
C、no researchers know if the 3G base station is transmitting signals
D、everyone in the test knows if the 3G base station is transmitting signals

答案A

解析

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本试题收录于：大学英语三级B级题库大学英语三级分类

大学英语三级B级

大学英语三级

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According to the passage, compared to 3G mobile phones, the second-generation phones ______. The double-blind laboratory tests

大学英语三级B级

大学英语三级

Accordingtothenews,theplanecrashed______

ThehotelTerrystayedatcanbedescribedas______.

Historically,dictionarieshavebeenthoughtofasdullandmechanicalwhichisperhapswhymanyteachersarereluctanttoexplo

ThehighestmountainintheU.S.is______.

Ateamofscientistshasjustfinishedwhatmightliterallybedescribedasoneofthemostbreathtakingjobsintheworld—sur

Youshouldremembertoavoid________inwhiteonthatoccasionbecauseotherswillthinkyouareimpolitetothebride.

A、Becausetheydon’thaveenoughroominthemouth.B、Becausetheyarepushedsidewaysbyotherteeth.C、Becausetheyleaveroom

Thechairmanrequiredthateveryspeaker(limit)______himselftofifteenminutes.

()长城()巴比伦空中花园()巴黎圣母院()故宫

A、At10.B、At9.C、At9:10.D、At10:09.CM:Wewillbetherein10minutes.W:It’salready9o’clock.Q:Whenwilltheygetthe

从经纬仪目镜中看到的是目标的虚像。()

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下列关于人类航天史的说法，正确的是()。

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