先解释画线的词，再理解诗句的意思。  

1．绿遍山原白满川，子规声里雨如烟。

川：                        

句意：                                                                                                                                            

2．童孙未解供耕织，也傍桑阴学种瓜。

供：____                 傍：                    

句意：                                                                                                                                              

3．青箬笠，绿蓑衣，斜风细雨不须归。

归：                    

句意：                                                                                                                                            

营养性贫血患者应多吃[ ]

A．含糖多的食物

B．含盐多的食物

C．含蛋白质和铁多的食物

D．含水分多的食物