女士，34岁，停经56天，3天前开始少量 * * 流血，昨日起右下腹疼痛，今晨疼痛程度加强，呕吐两次。妇科检查：子宫颈口关闭，宫颈举痛（+），子宫前倾前屈，较正常稍大。最简单、可靠的检查是（）。

A.腹部B超检查

B.测定血中HCG

C.腹腔镜检查

D.宫腔镜检查

E. * * 后穹隆穿刺

The ABC Bank
Irrevocable documentary credit
Number: LC123—258866
Date: August 24, 1999
Date and place of expiry: October 30, 1999 China
Advising bank: Bank of China
Beneficiary: China XYZ import and export corp.
Applicant: UVW corporation.
Amount: USD52, 500(Say U. S Dollars fifty two thousand five hundred only)
We hereby issue irrevocable documentary credit which is available with:
Any bank
By negotiation of beneficiary’s drafts at sight
For full invoice value
Drawn on the ABC bank
Partial shipments: Not allowed
Transshipment: Not allowed
Shipment from: Shanghai
To: Tokyo Japan
At the latest: October 15, 1999
Following documents required:
+Signed commercial invoice in three copies
+Full set of clean on board ocean bill of lading
+Weight certificate in two copies
Covering: 100 metric tons(5PCT MOL)of XY chemical in drums at USD 500 per M/T.
Special instructions: Insurance to be effected by buyer.
Instructions to advising bank: Please advise this credit to the beneficiary
We hereby undertake that drawers, endorsers in compliance with the terms of this credit will be duly honored upon presentation to the drawee bank.
Authorized signature
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