It is well known that knowledge is treasure house,but practice is key to it.A.a,theB.the,theC.a,/D./

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编辑：chaxungu时间：2026-04-27 03:12:44分类：高中英语题库

【题目】It is well known that knowledge is________treasure house,but practice is________key to it.
A.a；the
B.the；the
C.a；/
D./；the

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【答案】A
【解析】考查冠词。句意为：众所周知,知识是宝库,而实践是开启宝库的钥匙。第一空是泛指；第二空是特指,即“开启宝库的钥匙”。