2. 外语
  3. A simple computer program that teaches children to distinguish between sounds can dramatically(1)______ their listening skills.

A simple computer program that teaches children to distinguish between sounds can dramatically(1)______ their listening skills.

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问题     A simple computer program that teaches children to distinguish between sounds can dramatically(1)______ their listening skills. It can allow them to progress by the(2)______ of two years in just a few weeks, the game’s creator claims.
    The game, called Phonomena, was (3)______ by David Moore of the University of Oxford, UK, as a(n) (4)______ for children with language problems, but he says his latest (5)______ also show that it can help any child. Other experts,(6)______, are reserving judgement until independent tests are(7)______.
    Phonomena is designed to(8)______ children’s ability to distinguish between different phonemes, the basic sounds that form the building(9)______ of language. Up to a fifth of all children (10)______ thought to have problems (11)______ the differences between some sounds, says Moore, who heads the UK Medical Research Council’s Institute of Hearing Research.
    In the game, children have to distinguish between(12)______ of phonemes such as the "i" sound from the word "bit" and the "e" from "bet". They are played one phoneme(13)______ by two more examples, and asked which one(14)______ the first sound. (15)______ the game progresses the phonemes are gradually "morphed" to make them more and more(16)______, making it increasingly difficult to distinguish between them.
     (17)______ 44 phonemes in English, there are(18)______ more than 1,000 different pairs, but the game (19)______ on just 22 pairs of the (20)______ and most similar-sounding phonemes.
(19)
选项 A、depends
B、relies
C、concentrates
D、bases
答案C
解析 固定搭配题。concentrate on表示“集中”，符合句意，故C正确。A、B也能与on搭配，意为“依靠，依赖”，不符合句意；而base on常用于被动语态be based on“以……为基础”，故排除D。
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