单项选择题
A．cinder: coal B．clay: china C．bar: gold D．mud: deposit E． porcelain: mosaic
A．skin: whale B．shell: mollusk C．pincer: crab D．egg: bird E．web: seal
A．embellish: austere B．depurate: rare C．vary: conspicuous D．compress: volatile E． instruct: awkward