题目

Lily is a careless girl.She often_____ her homework at home.    A.loses      B.forgets      C.leaves      D.looks 答案:C欲配制1.00mol.L-1的NaCl溶液1000mL,需要使用的仪器和药品是(  )A.500mL容量瓶,58.5gNaClB.500mL容量瓶,117gNaClC.1000mL容量瓶,58.5gNaClD.1000mL容量瓶,117 gNaCl
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