写出下列句子中划线词意思。

①撒盐空中差可拟____

②人不知而不愠____

③友人惭，下车引之____

④元方入门不顾____

“有意栽花花不开，无心插柳柳成荫”这句诗与下列名言名句的哲理相同的是

Who always _________ kites in the park?

If you take time to explore the different layers of a person, you will find so many unique and interesting things about them that you would never know if there were ________.

某同学制作并观察了动、植物细胞临时装片，据如图分析，以下说法错误的是（　　）