TPO (TOEFL Practice Online) 是美国教育考试服务中心(Educational Testing Service，简称ETS)专为参加
1. 阅读要点概括：
Theme:
The fossil of T. Rex may have remains of three kinds of materials
Key point 1:
The soft substance may show the remains of blood vessels
Key point 2:
The spheres might be the remains of red blood cells because of iron, dark red centers and its size
Key point 3:
Collagen matrix might be contained in the bone issue
2. 听力要点概括：
Theme:
Skeptical
Key words 1:
Soft substance, after died, bacteria, channels, traces of organic material, left by bacteria colonies
Key words 2:
Identical, other animals, in the same place, did not have any red blood cells, different origin, reddish mineral
Key words 3:
Never, older than one hundred thousand years, last, explanation, come from, another source, skin, researchers
TPO逐题精讲”能有效帮助您查漏补缺，完美备考。
版权声明：本文系网独家稿件，版权为网所有。转载须注明来源及作者，否则必将追究法律责任。