[多选题]根据全国外汇市场自律机制通过的最新银行外汇业务展业原则,办理货物贸易项下贸易融资,银行应根据( )的原则,对合同真实性、条款合理性、贸易规律合理性、要素一致性等进行审查。
A.单内一致
B.单证一致
C.单单一致
D.表面相符

Passage Two To us it seems so natural to put up an umbrella to keep the water off when it rains. But actually the umbrella was not invented as protection against rain. Its first use was as a shade against the sun! Nobody knows who first invented it, but the umbrella was used in very ancient times. Probably the first to use it were the Chinese, as early as the eleventh century B. C. We know that the umbrella was used in ancient Egypt and Babylon as a sunshade. And there was a strange thing connected with its use: it became a symbol of honour and authority. In the Far East in ancient times the umbrella was allowed to be used only by royalty or by those in high office. In Europe, the Greeks were the first to use the umbrella as a sunshades. And the umbrella was in common use in ancient Greece. But it is believed that the first persons in Europe to use the umbrella as protection against the rain were the ancient Romans. During the Middle Ages, the use of the umbrella practical
A. in China
B. in ancient Egypt
C. in Rome
D. in Greece