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鍙戝竷鏃堕棿锛欬/span>2010/2/6
璧勬枡绫诲瀷锛欬/span>鍗曞厓銆佷笓棰樿缁傸/span>
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閫傜敤瀛︽牎锛欬/span>涓嶉檺
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1锛庝笅鍒楀叧浜庢湁鏈虹墿鐨勮娉曢敊璇殑鏄? )
A.CCl4鍙敱CH4鍒跺緱锛屽彲钀冨彇纰樻按涓殑纰
B.鐭虫补鍜屽ぉ鐒舵皵鐨勪富瑕佹垚鍒嗛兘鏄⒊姘㈠寲鍚堢墿
C.涔欓唶銆佷箼閰稿拰涔欓吀涔欓叝鑳界敤楗卞拰Na2CO3婧舵恫閴村埆
D.鑻笉鑳戒娇KMnO4婧舵恫瑜壊锛屽洜姝よ嫰涓嶈兘鍙戠敓姘у寲鍙嶅簲
2锛庣幇鏈変箼閰稿拰涓ょ閾剧姸鍗曠儻鐑冩贩鍚堢墿锛屽叾涓哀鐨勮川閲忓垎鏁颁负a,鍒欑⒊鐨勮川閲忓垎鏁版槸( )
A.(1-a)/7 B.3a/4 C. 6(1-a)/7 D. 12(1-a)/13