Using Dr Yuang's hybrid rice, nowadays farmers are producing harvests ________ before.


  1. A.
    as twice large as
  2. B.
    twice as much as
  3. C.
    twice as large as
  4. D.
    as twice much as
B

試題分析：考查倍數(shù)表達(dá)法。倍數(shù)表達(dá)法：倍數(shù) as 形容詞的原級(jí) as…；本題的twice就是倍數(shù)；形容詞原級(jí)much修飾不可數(shù)名詞，放在as…as…之中；句意：使用袁隆平的雜交水稻，現(xiàn)在農(nóng)民的產(chǎn)量是以前的兩倍。故B正確。
考點(diǎn)：考查倍數(shù)表達(dá)法
點(diǎn)評(píng)：倍數(shù)表達(dá)法：倍數(shù) as 形容詞的原級(jí) as…；本題的twice就是倍數(shù)；形容詞原級(jí)much修飾不可數(shù)名詞，放在as…as…之中；
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