The “four Cs” for pilots to remember during an emergency stand for （）.

单选题

The “four Cs” for pilots to remember during an emergency stand for （）.

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单选题

Soak the element for four hours.

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单选题

---Four tickets for the concert on Sunday, please!---I‘m so sorry. There is ____ left.

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材料题

tanding the four basic ways to get paid for an international order is important. The method you select will affect the risk you bear, the size of orders you might be able to get, and the financing you might require to fill the order.The following are the methods of payment for the exporter, from the most to the least secure:Cash-in-advance. New exporters frequently request this method. Their attitude typically is, I dont know you very well but, if you send me the money, Ill send you the goods.●

答案解析

材料题

tanding the four basic ways to get paid for an international order is important. The method you select will affect the risk you bear, the size of orders you might be able to get, and the financing you might require to fill the order.The following are the methods of payment for the exporter, from the most to the least secure:Cash-in-advance. New exporters frequently request this method. Their attitude typically is, I dont know you very well but, if you send me the money, Ill send you the goods.●

答案解析