硅肺的特征性病变是（）。 A.类上皮肉芽肿 B.胸膜呈斑状增厚 C.硅肺空洞 D.硅

常用的双手进针法有（）

A.指切进针法

B.挟持进针法

C.提捏进针法

D.舒张进针法

E.管针进针法

信用证内容
+27: SEQUENCE OF TOTAL 1/1
+40A: FORM OF DOCUMENTARY CREDIT IRREVOCABLE
+20: DOCUMENTARY CREDIT NUMBER CA54688/BCA
31C: DATE OF ISSUE080111
+40E: APPLICABLE RULES UCP LATEST VERSION
+31D: DATE AND PLACE OF EXPIRY 080302 BENEFICIARY’SCOUNTRY
+50: APPLICANT GREEN TIMBERS INT PTY UMITED 12 HELY
PLACE MT OMMANEY, BRISBANE DAL
6710, AUSTRALIA
+59: BENEFICIARY ZHEJIANG FORTUNE LAND CO., LTD.
1125 YANCHANG ROAD
NINGBO ZHEJIANG CHINA
+32B: CURRENCY CODE, AMOUNT: USD227106
39A: PERCENTAGE CREDIT AMOUNT TOLERANCE 10/10
+41D: AVAILABLE WITH. BY.ANY BANK BY NEGOTIATION
42C: DRAFTS AT. SIGHT FOR 100 PCT OF INVOICE VALUE
43P: PARTIAL SHIPMENTS NOT ALLOWED
43T: TRANSSHIPMENTNOT ALLOWED
44E: PORT OF LOADINC/AIRPORT OF DEPARTURENINGBO PORT CHINA
44F: PORT OF DISCHARGE/AIRPORT OF DESTINATION BRISBANE, AUSTRALIA
44C: LATEST DATE OF SHIPMENT 080215
45A: DESCRIPTION OF GOODS AND/OR SERVICES
ABOUT 740 CBM OF FULL COMBI CORE (5 LAYER RED HANDWOOD AND 6 LAYER WHITE POPLAR CORE) AT USD 279 PER CBM SPECIFICATION 1200×2440×18 MM THICKNESS TOLERANCE
PLUS OR MINUS 0.5MM
FOB NINGBO, CHINA
SHIPPING TERMS: FOB NINGBO, CHINA
46A: DOCUMENTS REQUIRED
(1)PORT-TO-PORT BILL OF LANDING IN 3 OF 3 ORIGINALS AND 1 NON-NEGOTIABLE COPYAND MARKED "FREIGHT COLLECT" AND NOTIFY: APPLICANT.
(2)SIGNED ORIGINAL COMMERCIAL INVOICE IN TRIPLICATE.
(3)CERTIFTCATE OF ORIGINAL ISSUED BY CHAMBER OF COMMERCE OR COMPETENT AUTHORITY IN COUNTRY OF ORIGIN.
(4)DETAILED PACKINC UST.
(5) COPIES OF ALL DOCUMENTS TO BE SENT BY COURIER TO THE APPLICANT WITHIN EIGHT
DAYS OF SHIPMENT DATE AND COPY OF COURIER RECEIPT TO ACCOMPANY DOCUMENTS FOR NEGOTIATION.
47A: ADDITIONAL CONDITION
(1)ISSUING BANK CHARGES ARE FOR ACCOUNT OF APPLICANT. ALL EXPENSES OUTSIDE AUSTRALIA ARE FOR THE ACCOUNT OF THE BENEFICIARY.
(2) ALL DOCUMENTS SHOULD BE IN ENGUSH.
(3)ALL DOCUMENTS INCLUDING BILIS OF LADING MUST NOT BE DATED PRIOR TO THIS LETTER OF CREDIT.
71B: CHARGES
ALL CHARGES OF BANKS 0UTSIDE AUSTRALIA ARE FOR THE ACCOUNT OF BENEFICIARY.
48: PERIOD FOR PRESENTATION
DOCUMENTS TO BE PRESENTED WITHIN 15 DAYS AFTER SHIPMENT DATE BUT WITHIN THE VALIDITY OF THIS CREDIT.
+49: CONFIRMATION INSTRUCTIONS WITHOUT
78: INSTRUCTIONS TO THE PAYING/ACCEPTING/NEGOTIATING BANK
REIMBURSEMENT INSTRUCTIONS TO THE NEGOTATING BANK: UPON RECEIPT OF DOCUMENTS IN CONFORMITY WITH THE CREDIT TERMS, THE ISSUING BANK SHALL REMITPROCEEDS BY TELEGRAPHIC TRANSFER IN ACCORDANCE WITH YOUR INSTRUCTIONS.
57D: SENDER TO RECEIVER INFORMATION
BANK OF COMMUNICATIONS NINGBO BRANCH, CHINA.
(2)根据信用证内容回答下列问题：

跟单信用证号码( )。

A．080215

B．LC080302

C．CA54688/BCA

果农冯某承包有100亩苹果园，2000年秋季获得了大丰收，但冯某不懂得销售的途径和方法，在农村的集市上销售量又很小，遂委托市里的远房亲戚陈某在市里代为销售，并处理相关事宜，双方约定：苹果最低每斤0.8元，陈某按销售总额的15%提成，于每次陈某交还货款时结算；陈某根据市里苹果需求量的大小及时通知冯某，以便冯某准确向陈某送货。合同签订后，陈某即积极活动，先后以自己的名义与王母阁市场和解放路市场签订了每天供应500公斤苹果的合同，每斤价格为0.85元，并与汤某等商贩口头约定可到自己家里随时提货，价格面议。请回答下列问题：

对于陈某以自己的名义与王母阁市场和解放路市场签订合同的行为，下列表述正确的尽：

A．作为受托人陈某可以以自己的名义在代理权限内签订合同

B．如果王母阁市场知道陈某与冯某之间的代理关系，则合同可以直接约束王母阁市场和冯某

C．如果解放路市场不知道陈某和冯某之间的代理关系，合同只约束解放路市场和陈某

D．经冯某同意，陈某才可以以自己的名义签订合同

若有定义语句：
double x,y,*px,*py;
执行
px=＆x;py=＆y;
正确的输入语句是______。

A．scanf("%lf%lf",px,py);
B．scanf("%f%f"＆x,＆y);
C．scanf("%f%f",x,y);
D．scanf("%lf%lf",x,y);