第9题: [单项选择]哪一种肿瘤最易出血() A. 星形细胞瘤 B. 脑膜瘤 C. 胶质母细胞瘤 D. 脊索瘤 E. 畸胎瘤 参考答案:C
第10题: [单项选择]Computer systems consist of two very different types of elements: (71 ) , which includes all the physical things that can be touched and Software, which tells the hardware how to do. A. Operating system B. I/O devices C. Courseware D. Hardware 参考答案:D