(5分)下表列出了A、B、C、D、E五种食物(各100克)的主要营养成分

食物            糖类(克)     脂肪(克)      蛋白质(克)         维生素A          维生素C         维生素D

A                  0.4                     90                       9                                 4                        7                       45

B                  49.3                  7                         32                              40                      10                     0

C                  9.8                     6.2                      62                              7                        12                     14

D                  52.3                  0.3                      12.3                           0                        5                       4

E                   15                      3                         6                                 3                        230                  0

(1)根据上表可知,食物_______有利于防治夜盲症,食物_______能提供较多的能量,食物_______有利于坏血病患者食用,食物_______有利于防治骨质疏松症。

(2)长期以食物D作为主食易患______________。

 

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