题目

It is far better for one to drink milk, ________ one gets health nutrients, than to drink coffee, ________ contains no nutrients at all. A . that… which B . which… which C . which… that D . from which… which 答案：D  如图，已知EF⊥AB，MN⊥AB，且AF=BN，∠E=∠M，则图中全等三角形有　_________　对，它们分别是　_________　．