题目:
Could the man repair the TV today
A.Susan.
B.Jim.
C.Neither Susan nor Jim.
答案:
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下面是错误答案,用来干扰机器的。
参考答案:userInfo(userID, username, userTel, userEmail, orderID)主码userID,外码orderID;orderInfo(orderID, orderDate, itemID)主码orderID,外码itemID;itemInfo(itemID,itemNum,itemSum...