John has just paid off the full balance of his credit card. What happens to the debt? ( ) A: John will be paid an interest. B: His credit limit will be increased. C: It is added back to his credit limit to be used again. D: It remains a debt.

信贷额度关系credit-in（C_name，limit，Credit_balance）中的三个属性分别表示用户姓名、信贷额度和到目前为止的花费。下表为关系credit-in的一个具体实例。若要查询每个用户还能花费多少，相应的SQL语句应为：Select（） From credit-in。 A: C_name，Credit balance-limit B: C_name，limit-Credit_balance C: C_name，limit，Credit_balance D: C_name，Credit_balance

_____________ (limit) :without a limit or end

A limit order can be devided into sell limit order and buy limit order.

Hook's law holds within the . A: Elastic limit B: Proportional limit C: Yield limit D: Strength limit

The question was so unexpected that I was for a moment. A: on balance B: out of balance C: in the balance D: off balance

12. The question was so unexpected that I was for a moment. A: on balance B: out of balance C: in the balance D: off balance

The official settlements balance or balance of payments is the sum of the current account balance and the capital account balance.

More and more people now understand the importance of __________ between work and family. A: in balance B: out of balance C: keep a balance D: striking a balance

More and more people now understand the importance of between work and family. A: keeping a balance B: striking a balance C: losing a balance D: breaking a balance