内生软骨瘤的X线表现是
A．葱皮样骨膜反应B．日光放射状骨膜反应C．骨增生反应D．低密度区内夹杂钙化斑块E．密度增高的肿瘤骨
参考答案：D
根据汉语提示完成句子。
1. Polly can't ______ (计算出) math problems.
2. He felt very tired because he______ (熬夜) all night.
3. They made the cards ______ (手工).
4. His sister goes shopping ______ (每周两次).
5. Look, your face is dirty. Go and wash it ______ (立刻).
6. Can you ______ (照相) for me？
7. There is a big desk ______ ( 在……的后面) the classroom.
8. ______ (怎么样) Kangkang's birthday party?
9. I can perform ballet ______ (也).
10. Lucy ______ go to bed ______ (直到……才) Lily came back home.
简要介绍低碳经济的相关理论。
