1. approximate a. 大概的，大约 v. 近似
He spent approximate two hours searching the photo.
Production costs approximate to $100,000 .
2. arbitrary a. 随意的，武断的
My choice was quite arbitrary.
This is an arbitrary decision.
3.architect n. 建筑师
The author of the guidebook is an architect by profession.
4. architecture n. 建筑学
He obtained a diploma in architecture.
5. biology n. 生物学
He specializes biology.
6. geography n. 地理（学）
How's the new geography teacher?
7. geology n. 地质学
Mineralogy is a brand of the great earth science geology.
8. geometry n. 几何（学）
I feel that geometry is a difficult subject.
9. arithmetic n. 算术
I'm good at history but not so hot at arithmetic.
10. algebra n. 代数
The boy can't figure out the algebra problems.
Provide a Better Life for Senior Citizens Now we have a growing population of senior citizens. To ensure happy lives for them has become a focus of attention. Our traditiona
Passage Twenty-five (Exploration of the Titanic) After resting on the ocean floor, split asunder and rusting, for nearly three-quarters of a century, a great ship seemed to