Even though the main source of ______ exposure for a majority of the human popul

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问题 Even though the main source of ______ exposure for a majority of the human population is the sun, the artificial tanning from sun beds contributes significantly to the total UV risk.

选项 A、extra violent
B、extra violet
C、ultraviolet
D、ultravirus

答案 C

解析 ultraviolet紫外线的：ultraviolet light紫外线光。extra violent特别猛烈的：extra violet特别的紫罗兰；ultravirus超显微病毒。

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Even though the main source of ______ exposure for a majority of the human popul

Whatdoesthespeakerthinkofherspeech?[originaltext]AlthoughIdon’tlikeh

Whatdoesthespeakersayaboutthechoicesyoumake?[originaltext]Althoughnot

WhatdoesNEETmean?[originaltext]Thoughthe"groupofnewlyunemployed"islar

Peopleplayingviolentgamesmighthaveaggressivethoughtsforamoment.A、正确B、

ThegunmanwasthoughttohavementionedacombatvideoontheInternet.A、正确B、错

Althoughtheclothesresalebusinessisstillsmall,itisquicklygrowing.A、正确

Emotionisafeelingaboutorreactiontocertainimportanteventsorthough

AlthoughNewZealandwasthefirstcountryintheworldwherewomengotthevote

Wearecurrentlygrowingataratethatisusinguptheearth’sresourcesfarfa

AlthoughnolongerslavesaftertheCivilWar,Americanblackstooknosignifica

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ThemostfamouspainterinVictoria’shistoryisEmilyCarr.Whenshewasa

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[originaltext]W:Goodevening,andwelcometothisweek’sBusinessWorld,thep

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