目前认为心肌保护效果更好、也方便手术的心肌保护方法是（）

A.低温晶体液

B.低温氧合血

C.心肌预缺血+低温晶体液

D.不阻断主动脉

E.常温氧合血

信用证内容
Department: A SWTO23B01Sep/No: 004951
Message Received On: 2008-05-12/16:56:50
15.03 16:38
33062 BOCSH A CN*
33062 BOCSH A CN
XXXXX
LOCAL TIME MON MAY 12 16: 09:20 2008
TO: BANK OF CHINA, SHANGHAI
SWIFT CODE: BKCHCNBJA300
FROM: NAT’L AGRICULTURAL COOPERATIVE FED’N, SEOUL
TEST-KEY: SEE 72 FIELD(CAL FOR 116188)
MUR: 000000000482161:
MESSAGE-TYPE: 700 ISSUE OF A DOCUMENTARY CREDIT
+27: SEQUENCE OF TOTAL1/1
+40A: FORM OF DOCUMENTARY CREDIT IRREVOCABLE
+20: DOCUMENTARY CREDIT NUMBER JC968509MU00158
31C: DATE OF ISSUE 080515
+40E: APPLICABLE RULES UCP LATEST VERSION
+31D: DATE AND PLACE OF EXPIRY 080715 CHINA
+50: APPLICANT RAIN DREANS IMP. ＆ EXP. CORP.
NO. 90, MOSQUE ROAD, SEOUL, KOREA
+59: BENEFICIARY SHANGHAI WENTONG CO., LTD.
1125 YANCHANG ROAD
SHANGHAI CHINA
+32B: CURRENCY CODE, AMOUNT: USD22422
+41D: AVAILABLE WITH.. BY..ANY BANK
BY NEGOTIATION
42C: DRAFTS AT.. 45 DAYS AFTER SIGHT
42A: DRAWEEAMERICAN EXPRESS BANK LTD. , NEWYORK
43P: PARTIAL SHIPMENTS ALLOWED
43T: TRANSSHIPMENTALLOWED
44E: PORT OF LOADING/AIRPORT OF DEPARTURECHINA PORT
44F: PORT OF DISCHARGE/AIRPORT OF DESTINATION BUSAN KOREA
44C: LATEST DATE OF SHIPMENT 080708
45A: DESCRIPTION OF GOODS AND/OR SERVICES
+TRADE TERMS: CIF BUSAN KOREA ORIGIN: CHINA
+Trolley Cases
TS503214 1104PCS
TS503215 1149PCS
TS503216 1440PCS
46A: DOCUMENTS REQUIRED
+SIGNED COMMERCIAL INVOICE IN QUADRUPLICATE
+PACKING LIST IN QUADRUPLICATE SHOWING PIECE LENGTH PER PACKAGE
+ FULL SET OF CLEAN ON BOARD OCEAN BILLS OF LADING MADE OUT TO THE ORDER OF NATIONAL AGRICULTURAL COOPERATIVE FEDERATIONMARKED ’FREIGHT PREPAID’ AND NOTIFY ACCOUNTEE
+INSURANCE POLICY OR CERTIFICATE IN DUPLICATE, ENDORSED IN BLANK FOR 110PCT OF THE INVOICE VALUE, EXPRESSLY STIPULATINGTHAT CLAIMS ARE PAYABLE IN THE CURRENCY OF THE DRAFT, ALSO INDICATION ACLAIMS SETTLING AGENT IN KOREA AND INSURANCE MUST INCLUDING INSTITUTE CARGOCLAUSE: ALL RISKS, WAR RISKS AND SRCC
+COPY OF FAX/TLX SENT TO APPLICANT ON SHIPMENT DATE ADVISING SHIPPING DETAILS
ADDITIONAL CONDITION
47A: +BILLS OF LADING ARE INDICATED NAME ADDRESS AND TELEPHONE NUMBER OF CARRYING VESSEL’S AGENT AT PORT OF DESTINATION.
71 B: CHARGES EXCEPT OTHERWISE STATED, ALL BANKING CHARGES OUTSIDE KOREA INCLUDING REIMBURSING BANK’S CHARGES ARE FOR BENEFICIARY’ SACCOUNT
48: PERIOD FOR PRESENTATION DOCUMENTS TO BE PRESENTED WITHIN 21 DAYS AFTER THE DATE OF SHIPMENT BUT IN ANY EVENTS WITHIN THE CREDIT VALIDITY
49: CONFIRMATION INSTRUCTIONS WITHOUT
53A: REIMBURSING BANK AMERICAN EXPRESS BANK LTD., NEW YORK
78: INSTRUCTIONS TO THE PAYING/ACCEPTING/NEGOTIATING BANK
+THIS CREDIT IS AVAILABLE AT SIGHT BASIS, WITH ACCEFTANCE
COMM. AND DISCOUNT CHARGES FOR APPLICANT’S ACCOUNT
+PLS CLAIM REIMBURSEMENT BY FORWARDING BENEFICIARY’S
TIME DRAFT AND A COPY OF B/L TO THE REIMBURSING BANK
+T/T REIMBURSEMENT NOT ALLOWED
+ALL DOCUMENTS MUST BE FORWARDED IN TWO CONSECUTIVE
LOTS BY INT’L COURIER SERVICE TO THE FOLLOWING ADDRESS:
NATIONAL AGRICULTURAL COOPERATIVE FEDERATION INTERNATIONAL
BANKING
DEPARTMENT 75, 1-KA, CHUNGJEDNG-RD, JUNG-KU,
SEOUL, KOREA
+THIS CREDIT IS SUBJECT TO UCP, ICC PUBLICATIONS NO. 500(1993
REVISION)
72: SENDER TO RECEIVER INFORMATION TEST S70314
WITH HANIL BANK, SEOUL
PLS CONTACT THEM FOR
TESTKEY VERIFICATION
+END OF MESSAGE +
33062 BOCSH A CN
12-MAY-2008 at 16:56 from EXTEL
(2)根据信用证内容回答下列问题：

该信用证中规定受益人需提交的提单是( )。

A．清洁已装船提单

B．不清洁已装船提单

C．备运提单