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【单选题】
图中的戒指主要的成分是()A.
金
B.
铂
C.
银
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】以下关于机器语言的描述中 , 不正确的是
A.
每种型号的计算机都有自己的指令系统，就是机器语言
B.
机器语言是惟一能被计算机识别的语言
C.
计算机语言可读性强，容易记忆
D.
机器语言和其他语言相比，执行效率高
【简答题】听力原文：How much did the farmer pay for his visit? How much did the farmer pay for his visit? He paid ______
【简答题】How much did the new standard weight cost?
【简答题】How much did the customer agree to pay for the rent per day?
【单选题】How much did the lab cost?
A.
She thinks Mr Jenkins knows the cost better.
B.
She refuses to give the figure.
C.
She doesn't think it cost much.
D.
She thinks it's a secret.
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