恶性纤维组织细胞瘤最常见于______，骨肉瘤最常见于______。
参考答案：下肢；长骨干骺端
简述各层次的谈判目标。
I’d __________ it if you could fix my laptop as soon as possible. I need it to prepare for my lecture next week.
A．admire
B．appreciate
C．dislike
D．congratulate
