試題詳解

        Solar storms are electromagnetic outbursts that send billions of tons of charged particles toward Earth. They have the potential to destroy our electrical grids as well as all connections that we have with satellites in space. Every credit card purchase, every plane flight, and every cell phone call relies on a satellite connection. The modern world as we know it would come to a halt. 

19. The main idea of the above paragraph (Reading 1) is
(A) Solar storms will destroy satellite connections and thereby stop the world from functioning.
(B) Solar storms are electromagnetic outbursts.
(C) Solar storms will destroy the modern world.
(D) Solar storms send billions of tons of charged particles toward Earth.
(E) Our credit card purchases and cell phone calls depend on solar storms.