Shipment will be effected this month，subject to your L/C（）us in one week.

A:reaching B:reaches C:will reach D:has reached

信用证规定“SHIPMENT TO BE EFFECTED ON OR ABOUT AUGUST 25，2006；DOCUMENTS REQUIRED://AWB CONSIGNED TO THE APPLICANT”没有其他特别要求，空运单显示正确的是______。( )

A:ISSUING DATE://AUG 30，2006，FLIGHT DATE://AUG 31，2006 B:ISSUING DATE://AUG 18，2006，FLIGHT DATE://AUG 25，2006 C:ISSUING DATE://AUG 18，2006，FLIGHT DATE://AUG 19，2006 D:ISSUING DATE://AUG 20，2006，FHGHT DATE://AUG 31，2006

以下是国外来证中的一段要求：Beneficiary must send one set of documents including 1/3 set original bill of lading, invoice and packing list to HWI International Co.,Ltd (H.K) within 7 days after shipment effected by courier．如果外贸跟单员任明华按此要求操作，其最有可能遇到的风险是( )。

A:收汇风险 B:汇率风险 C:运输风险 D:海盗风险

以下是国外来证中的一段要求：Beneficiary must send one set of documents including 1/3 set original bill of lading，invoice and packing list to HWI International Co.,Ltd（H.K） within 7 days after shipment effected by courier. 如果外贸跟单员任明华按此要求操作，其最有可能遇到的风险是（ ）。

A:收汇风险 B:汇率风险 C:运输风险 D:海盗风险

Unless otherwise stipulated in the credit, the minimum amount for which the insurance document must indicate the insurance cover to have been effected is the CIF value of the goods plus 20%, but only when the CIF value can be determined from the documents on their face. （ ）

Unless otherwise stipulated in the credit, the minimum amount for which the insurance document must indicate the insurance cover to have been effected is the CIF value of the goods plus（ ）, but only when the CIF value can be determined from the documents on their face.

A:5% B:10% C:15% D:20%

Shaft sealing in a centrifugal pump can be effected by _____.

A:the mechanical seal B:packed stuffing boxes C:either A or B D:neither A nor B

Additional heat extraction from the exhaust gases can be effected by adding an _____ section to the unit in plants.

A:air cooler B:economizer C:injector D:air blower