胫骨上端外侧X线片可见皮质膨胀，边缘整齐的骨质透光区，中心有间隔改变，最可能诊断为（）

A.骨囊肿

B.内生软骨瘤

C.转移癌

D.胫骨骨髓炎

E.骨巨细胞瘤

请从A、B、C、D、E、F六个选项中选出五项与1-5题中的描述一一对应。

“低碳生活，从我做起！”请仔细阅读下列材料，找出以下五种“低碳”行为产生的直接效应。

A. Saving electric energy              B. Protecting（保护） forests

C. Saving water                      D. Protecting animals

E. Producing less air pollution          F. Protecting plants

小题1:Henry often recycles water to clean his room and water the flowers.

小题2:Daphne always turns off the lights and the computer as soon as she leaves her office.

小题3:Mr. White sometimes goes to work by bus or on foot instead of driving his car.

小题4:Li Lei usually uses QQ or emails to communicate with his friends instead of paper letters.

小题5:Miss Zhang never wears fur clothes and she decides to eat less meat.