Read and write. 根据提示写单词,将短文补充完整。
This is a ____ (大的) zoo. Look! There are ____ (六个) animals here.
Look! This is a ____ (猪) . It's so ____ (肥胖的). It's drinking____
(牛奶) now. How cute it is !
①能进一步熟悉我们的生活环境②确认方位③知道天气变化④了解世界
如图为不同浓度的生长素对植物不同器官的作用关系.请据图回答: