【单选题】The word 'counterproductive'(Paragraph 4) probably means
【简答题】请提交该系列包装成品图照片,不少于5张。
【简答题】producing strong clear pictures in the mind
【判断题】American agriculture is particularly strong in producing products cheaply in quantity.
【简答题】The birds were painted in such a ___ (producing strong, clear images in the mind) way that a cat jumped up to catch them.
【简答题】5的倒数是______,______和135互为倒数.0.5的倒数是______,______和1 3 5 互为倒数.