[单项选择]A credit may be advised to a beneficiary through another bank (the advising bank) without engagement on the part of the advising bank, but that bank, if it elects to advise the credit, shall ______.
A. inform the issuing bank of the credit which it advises without delay
B. endorse the amount negotiated on the reverse of the credit which it advises
C. add his confirmation to the credit which it advises
D. take reasonable care to check the apparent authenticity of the credit which it advises

[判断题]An irrevocable credit may be cancelled at any time up to the moment the advising bank pays.

[填空题]Knowledge may be acquired through conversation, watching television or traveling, but the deepest and most (S1) _______ way is through reading. If we consider the (S2) ______ population of the world, we may conclude that a few spend their whole lives on academic reading; many read something light for (S3) ______, and a few dip into something more serious now and then; while very many men, women and children never advance (S4) ______ the sports page of a newspaper, a fashion article or the (S5) ______. If you have learnt to love books as a child, the reading habit will never (S6) ______ you. But if this has not been your good fortune, you tend to think of reading as a bore. A few, but very few, come to the habit late in life. In order to (S7) ______ to read one must be curious. (S8) ______ But many fail to do so either because of an over-strict system where what is most important is memory work or because of a careless and lazy one where even the basic disciplines of literacy are