曼哈顿模考的几道题求解答

小运

1.In 1800, nearly 25 years after his discovering of methane gas, Alessandro Volta, the Italian physicist, had developed what would become known as the voltaic pile, the first electric battery.选项A中的说明“The modifier "the Italian physicist" is separated by commas, illogically suggesting that Volta was the only Italian physicist (or, just as illogically, suggesting that there is already an Italian physicist under discussion”。


2.Antigenic shift refers to the combination of two different strains of influenza; in contrast, antigenic drift refers to the natural mutation of a single strain of influenza.
B.influenza, in contrast to the natural mutation of a single strain, known as antigenic drift
in contrast to 一定要与主语平行么？这里和“the combination of two different strains of influenza”平行，可以么？


3.During and immediately after the California gold rush, the way for a merchant to generate the most profit was to move a limited amount of scarce goods to San Francisco as quickly as possible, rather than to carry larger loads more slowly, determining the design of the clipper ship.
A.to carry larger loads more slowly, determining
B.to carry larger loads more slowly, a situation that determined
答案是B，给出的理由是In (A), the way for a merchant to generate profit isn't determining the design of the clipper ship. The way for a merchant to generate profit is a situationdetermining the design of the clipper ship.