商业银行办理中间业务和表外业务时，都无需动用自有资金，也不存在风险。
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使用贷款承诺的客户，无论是否使用贷款，都要支付一定得手续费。
A. 对
B. 错
商业银行经营原则中，安全性与盈利性成正比。
A. 对
B. 错
存贷利差是我国商业银行主要利润来源。
A. 对
B. 错
Reading: What do we need for life? (1)I have no doubt that we are polluting the environment beyond redemption.at is the meaning of the ‘environment’in the sentence?
A. the conditions that affect the behaviour and development
B. the natural world in which people, animals and plants live
C. the complete structure within which a user, computer or program operates
D. the totality of surrounding conditions
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