题目：
语音知识(共5小题，每小题1分，满分5分)l．unit A．umbrella B．nephew C．juice D．sure2．Trunk A．language B．strange C．thunder D．twentieth3．bread A．break B．weak C．sweat D．least4．achieve A．research B．chemist C．technique D．stomach5．silver A．silent B．pretty C．tiny D．reject
这里显示答案和解析
