对下列句子使用的修辞手法及分析理解正确的一项是（   ）

班级正在展“勇于担当，兼济天下”的主题活动，根据要求逐项完成以下任务：

读一读，写一写。

Sally: Today is Mother's Day. I love my mum. I can buy some flowers for her. What about you, Ken?
Ken: I love my mum too. I can make a photo frame for her. I can say" Happy Mother's Day!" to her. What about you, Linda?
Linda: I like singing. I can sing a song for her. I can give her some lemons.
Today is ____. Sally can ____ for her mum. Ken can ____ for his mum and say "Happy Mother's Day!" to his mum. Linda can ____ for her mum. She can give her mum some lemons too.

蛋白质、淀粉、脂肪在消化道中的起始消化部位分别是（　　）

是一个无理数，则下列判断正确的是（  ）.