鸟卵中为胚胎的发育提供营养物质的结构是() A.卵壳和系带 B.壳膜和卵白 C. 发布时间:2017-05-24 13:30 │ 来源:www.tikuol.com 题型:选择题 问题: 鸟卵中为胚胎的发育提供营养物质的结构是( )A.卵壳和系带B.壳膜和卵白C.卵黄和卵白D.卵黄和壳膜
题型:选择题 选词与短文填空(10分,多余一词)rides, take walks, make, drives, show, tastes小题1:I want to learn English well so I want to _______ friends with an American boy.小题2:You have an interesting book. Can you _______ it to us?小题3:My parents _______ after dinner every day.小题4:I like the fish. It _______ good.小题5:Mr. Smith often _______ his car to work. 查看答案