为了预防地方性甲状腺肿，应多吃 [ ]
A．猪肉、牛肉
B．青菜、水果
C．牛奶、豆浆
D．海带、紫菜
答案：D
His book, which _______ last week, should be another best-seller.
A．came out
B．came to life
C．came up
D．came to power
急性肾衰竭的肾前性因素主要有______________、__________；急性肾小管坏死的原因主要有______、__________。
