1. The boy is mustard on the theory of numbers and on solid geometry.
    这男孩对算术和立体几何有强烈的兴趣。

2. He studies spherical geometry.
    他研究球面几何学。

3. He studies spherical geometry.
    他研究球面几何学。

4. Mathematics includes arithmatic, algebra, geometry, and calculus.
    数学包括算术、代数、几何以及微积分。

5. Measuring the irrigated land men invented surveying and became interested in geometry.
    在丈量灌溉土地的过程中，人们发明了测量学，并开始对几何学产生兴趣。

6. My daughter smokes. While she is doing her homework, her feet on the bench in front of her and her calculator clicking out answers to her geometry problems,
    我的女儿会抽烟。她做家庭作业时，脚搁在前面的长凳上，计算机嗒嗒地跳出几何题的答案。