乳腺叶由（）组成。
A.乳腺小叶、腺泡
B.纤维（结缔）组织、腺泡
C.乳管、脂肪、腺泡
D.乳管、乳腺小叶、腺泡
参考答案：D
I hear our teacher will be back three weeks' time.
A．at
B．in
C．for
D．after
下列哪项不是何首乌的功效（）
A.补益精血
B.润肠通便
C.平抑肝阳
D.解毒
E.截疟
e back three weeks' time.