Personally, I think both zero-distance training and coaching training are old-fashioned, with old topics and many zero-distance mistakes, but the first round can still be used. If the foundation is ok, it is suggested to use the first volume of "College Entrance Examination Review Course" published by China Normal University Press, which is also quite suitable for the first round of review, and the topic is better than those two books.
Bat and Radar introduces the application of bionics-how bats fly at night, and the inspiration for airplanes flying by radar at night comes from b