38.A根据本小节内容,尤其是“ Adding nrers is also a great way to reduce any space in the bouquet(E束).”可知,A项“没有用足够的花”符合
39.F根据空前“ It's a general rule that when it comes to flowers, you need to cut near the stem and..”可知F项“这样,花不需要更多的营养就可以维持更长的时间”符合
40E根据空前“ When you decide to gift someone flowers, ensure that you do it in time.”及空后“ It suggestsat you forget to send a gift and hold little value over the meaning of sending a gift.”可知,E项“礼物送晩会给收礼人留下不好的印象”符合