【判断题】这种杀虫剂效果很好,屡试不爽。 This kind of insecticide has proved effective every time it is used.()
【判断题】.居住小区:由城市道路或自然界线划分的具有一定规模并不为城市交通干道所穿越的完整地段,内设有一整套满足居民日常生活所需要的基层公共服务设施和机构。
【简答题】Donald Trump is the ________ (forty-five) American president.
【简答题】Insecticide is applied where it is needed.
【单选题】()指由城市道路或自然界线河流等划分的、具有一定规模并不为城市交通干道所穿越的完整地段小区内设有整套满足居民日常生活需要的基层服务设施和公共绿地。
【简答题】根据听到的内容作答____. A) Using less insecticide. B) Giving the plants up. C) Spraying crops frequently. D) Trying other insecticide.
【单选题】在关系代数中,符号×表示的关系运算是( )。
【简答题】A.Using less insecticide. B.Giving the plants up. C.Spraying crops frequently. D.Trying other insecticide.
【单选题】Donald Trump is the _______ president of the USA.