Question

There are no exact differences between physics and other nat

Answer 1

小题1:A

小题2:A

小题3:C

小题4:B

小题1:由文章第一句可知。

小题2:从第二段的叙述可知“摩天大楼的设计与建设”不属于动力学的研究范围。

小题3:由最后一段“Among the many subdivisions of modern physics are electronics and nuclear physics”一句可知。

小题4:“this”通常指上文刚谈之事。