【高中英语】Scientists are not sure of the potiential effects __B_

【高中英语】Scientists are not sure of the potiential effects __B_ In PoIand,scientists ( )the effects of weather on the buiIdi What are the effects of sleeplessness? 英语翻译Scientists are making new study of color and its effects the long term physical effects are not yet known 英语翻译The cooling effects of the direct evaporative cooler are 用be sure ,be not sure,are you sure...be sure of的相应形式填空 Scientists are convinced of the positive effect of laughter effects of the portrayal What are the effects of skyscrapers on environment What are the bad effects of pollution?怎么翻译 求一篇英语作文 what are the effects of music