[问答题]------------.
[问答题]--------------.
[单选题]A.单纯扩散B.主动运转C.易化扩散D.入胞作用E.出胞作用
[单选题]A.B.C.8,-4,-9D.E.
[单选题]A.上牙弓前突B.双牙弓前突C.D.E.
[单选题]A.1B.2C.3D.5
[单选题]A.1B.2C.4D.5
[单选题]A.共晶B.共析C.包晶