A simple computer program that teaches children to distinguish between sounds can dramatic

ally【C1】______ their listening skills. It can allow them to progress by the【C2】______ of two years in just a few weeks, the games creator claims. The game, called Phonomena, was【C3】______ by David Moore of the University of Oxford, UK, as a(n)【C4】______ for children with language problems, but he says his latest【C5】______ also show that it can help any child. Other experts,【C6】______, are reserving judgement until independent tests are【C7】______. Phonomena is designed to【C8】______ childrens ability to distinguish between different phonemes, the basic sounds that form. the building【C9】______ of language. Up to a fifth of all children【C10】______ thought to have problems【C11】______ the differences between some sounds, says Moore, who heads the UK Medical Research Councils Institute of Hearing Research. In the game, children have to distinguish between【C12】______ of phonemes such as the "i" sound from the word "bit" and the "e" from "bet". They are played one phoneme【C13】______ by two more examples, and asked which one【C14】______ the first sound.【C15】______ the game progresses the phonemes are gradually "morphed" to make them more and more【C16】______, making it increasingly difficult to distinguish between them. 【C17】______ 44 phonemes in English, there are【C18】______ more than 1,000 different pairs, but the game【C19】______ on just 22 pairs of the【C20】______ and most similar-sounding phonemes.

【C1】

A．boost

B．progress

C．produce

D．disturb