Radiationexposureshouldbe_______________

exposure to even tiny amounts of radiation is fatal the effect of exposure to radiation is slow in coming radiation is avoidable in space exploration astronauts in spacesuits needn't worry about radiation damage

AbecostlyBbeharmfulCsavealifeDstillopentodebateEre

Spaceisadangerousplacenotonlybecauseofmeteorsbutal

exposure to even tiny amounts of radiation is fatal the effect of exposure to radiation is slow in coming radiation is avoidable in space exploration astronauts in spacesuits needn’t worry about radiation damage

阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第2～5段每段选择1个正

??A.becostly??B.harmful??C. savealife??D.stillope

A?becostly??B?beharmful??C?savealife??D?stillopent

Asmanyas60000peopleworldwidedieeachyearfromtoomuch

PartCDirectionsReadthefollowingtextcarefullyand

? ?阅读下面这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第2～5段每段选

PartCDirectionsReadthefollowingtextcarefullyand

PartCDirections:Readthefollowingtextcarefullyan

RadiationEffectSpaceisadangerousplacenotonlybecaus

exposure to even tiny amounts of radiation is fatal the effect of exposure to radiation is slow in coming radiation is avoidable in space exploration astronauts in spacesuits needn’t worry about radiation damage

Spaceisadangerousplacenotonlybecauseofmeteors流星

exposure to even tiny amounts of radiation is fatal the effect of exposure to radiation is slow in coming radiation is avoidable in space exploration astronauts in spacesuits needn't worry about radiation damage

A.becostlyB.harmfulC.savealifeD.stillopentodebateE

Radiation exposure should be ________________.

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