撒哈拉以南的非洲是黑种人的故乡．______．
撒哈拉以南的非洲主要是黑种人，被称为黑种人的故乡．
故答案为：√．
Doctor Nathan is said to have been ________ to researching into wild animals in Africa for more than
ten years.[ ]
A. absorbed
B. devoted
C. concentrated
D. engaged
玉女煎的组成是
A．蜀椒、干姜、人参、胶饴B．人参、麦冬、五味子C．甘草、干地黄、白术、附子、阿胶、黄芩、灶心黄土D．附子、干姜、炙甘草E．石膏、熟地、麦冬、知母、牛膝
