【单选题】The word 'precept' (Line 3, Para. 3) probably means '______'.
【单选题】The word 'random' (Line 3, Para. 3) is closest in meaning to______.
【单选题】抠图时抠取主体边缘复杂且与环境有一定色差,如头发,最好使用的抠图工具或方法是
【简答题】The word “hassles” in the passage (Line 3, Para. 3) probably means ________. A) agreements B) worries C) disadvantages D) quarrels
【单选题】用Photoshop来处理抠图,抠取规则形状,一般可以采用()。
【简答题】The word “precept” (Line 3, Para. 3) probably means “________”. A) idea B) punishment C) behavior D) instruction
【判断题】固定床反应器的传热速率比流化床反应器的传热速率快。
【多选题】在PS中抠取商品图片的方法有很多,常见的抠图方法包括使用: