下列各项生产实践,与植物激素无关的是( )
A:果树的整枝修剪
B:摘心促进侧芽发育
C:无籽番茄的获得
D:嫁接保持原品种的特性
⑴The man is falling down the stairs.____
⑵The birds are flying away.____
⑶She is getting off the bus____
⑷My mum is on the phone.____
⑸They are having a birthday party.____
A. B. C. D. E.
把单词填写在相对应的图片的横线上。
A. sandwich B. rice C. salad