In this way, th e chickens can stay hea lthy.Besides egg whites, drugs mad e of protein s com e in milk of cows and sheep. Compared with cows and sheep, th e special chickens have ascendancy over them. First, they ar e cheaper to raise. Second, they need less room and gro w ...
4.how healthy the rest of their dietmight be.5., you can keep healthy byconsuming different categories of fresh foods.Besides this, it is also 6.have somemeat beans, or dairy product in your diet a theyprovide the necessary protein for strong bonesand muscle growth. ...
根据第二段第二句“Thesedrugs are made of proteins which can be found in animals skin,hair, milk and meat.”可知这些药物是由蛋白质制成的,蛋白质可以在动物的皮肤、毛发、乳液和肉中找到。故选C。3.B【思路点拨】细节理解题。根据最后一段倒数第二句 But scientists may need more time to make the...