51.The documents，you should provide are contract，L/C，invoice and B/L.L/C is the abbreviation for_____，B/L is the abbreviation for____.

A.Letter of Credit，Packing List

B.Leaking of Containers，Bill of Lading

C.Letter of Credit，Bill of Lading

D.Leaking of Containers，Packing List

52.The plant products have been carefully inspected and are considered to be____from any quarantine pests.

A.out

B.away

C.free

D.far

53.CIF means Cost，_____and Freight.

A.Money

B.Inspect

C.Insurance

D.Inspection

54.The products will_______from Shanghai to Singapore bY sea.

A.Send

B.sent

C.Be send

D.Be sent

55.This area has been free from Foot—and—Mouth Disease_____two years.

A.for

B.in

C.after

D.before

56.The product was processed______official veterinary supervision.

A.in

B.under

C.after

D.with

57.Portland is a city of______.

A.Poland

B.Australia

C.U.S.A

D.New Zealand

58._______Call be issued by the entry—exit inspection and quarantine authorities of the P.R. of China.

A.B/L

B.Certificate of Origin

C.L/C

D.Packing List

59.Representative samples______taken by the inspector from the whole lot’yesterday.

A.was

B.is

C.were

D.are

60._____is a major port of Germany.

A.Hamburg

B.Liverpool

C.Los Angeles

D.Panama City