此处是句型It is known to all that…,其中it作形式主语,指代后面的真正的主语从句that ancient China had four major inventions, including the compass, the printing technique, the explosive and the paper-making technology. 故选D。 点评考查代词。本题涉及i...
英语中的不定代词有 all, each, both, either, neither, one, none, little, few, many, much,other, another, some, any, no, (a) few, (a) little,both,enough,every 等,以及由 some, any, no 和 every 构成的合成代词 (即 somebody, anyone, nothing 等)。在平时的...
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