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第一节语音知识(共5小题；每小题1分，满分5分)
从A、B、C、D四个选项中，找出其划线部分与所给单词的划线部分读音相同的选项，并在答题卡上将该项涂黑。
1. calm A. half B. altogether C. false D. talk
2. recover A. recent B. prevent C. fever D. convenient
3. lack A. dance B. exact C. cigarette D. courage
4. chest A. chemistry B. machine C. cheese D. Christmas
5. ink A. singer B. change C. exchange D. danger
