预后最差的骨肿瘤是（）。 A.未分化网状细胞肉瘤 B.骨肉瘤 C.原发性软骨肉瘤 D 发布时间：2017-09-08 05:37 │ 来源：www.tikuol.com 题型：单项选择题 问题： 预后最差的骨肿瘤是（）。A.未分化网状细胞肉瘤B.骨肉瘤C.原发性软骨肉瘤D.骨巨细胞瘤Ⅱ级E.骨纤维肉瘤
题型：单项选择题 用方框中所给词语的适当形式填空。when close difference weak for feel lot important hard think My 1. friend is my deskmate. She is good at English, but I am 2. in it. Once I failed ina test. I 3. very sad and I almost wanted to give up this subject. Then my deskmate told me that English was a very 4. subject and we must study it well. I was moved (感动). From then on, I studied English 5. than before. 6. I had difficulties, I would go to her 7. help. With her help, my English had improved (提高) a 8. by the end of the term. We are nowin 9. schools. But I often 10. of her and her help. 查看答案