Question

Unfortunately, the research was limited __________ increasing economic profits, _________ protecting the environment.

1. A.
   to; other than
2. B.
   by; rather than
3. C.
   to; rather than
4. D.
   by; more than

Answer 1

C
試題分析：原句意思，不幸的是，這份研究局限于提高經(jīng)濟(jì)利益，而非環(huán)保。be limited to 局限于 other than 不同于rather than 而不是 more than 多于，故選C。
考點(diǎn)：常見固定詞組辨析。
點(diǎn)評(píng)：解答此類題型要先理解題干要表達(dá)的意思，再分析各個(gè)選項(xiàng)中詞組的詞義，從中選取適合語境的一個(gè)。在平時(shí)的學(xué)習(xí)中，要重視對(duì)詞組的總結(jié)和記憶。