与颅脑损伤患者长期预后相关的因素有（）
A.年龄
B.残疾严重程度
C.环境因素
D.情绪
E.个体创伤耐受性
参考答案：A, B, C, D, E
钢轨焊缝中的光斑和灰斑缺陷有较强的透射能力。
句型转换。
1. He has enough time. (改为否定句)
He _________ _________ enough time.
2. What's wrong with you? (改为同义句)
What's _________ _________ with you?
3. The new shoes cost him one hundred yuan. (改为同义句)
He _________ one hundred yuan _________ the new shoes.
4. They should talk about it later. (改为一般疑问句)
_________ they _________ about it later?
5. She got a ticket for me. (对画线部分提问)
_________ _________ she get for you?
