题目

常吃海带等含碘丰富的食物，可以预防（ ）   A． 巨人症                              B． 糖尿病   C． 侏儒症                              D． 地方性甲状腺肿 答案：D He admitted that when ____ comes to repairing a computer, he had little knowledge of it ．        A．he     B．that B．this   D．it