单项选择题

对于特殊和稀缺煤类，中厚煤层采区采出率不小于（） A.
75% B.
80% C.
83% D.
85%

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Consignee information，if shown，must not be inconsistent with the consignee information in the transport document．However,if a credit requires a transport document to be issued“to order”．“to the order of shipper”，“to the order of the issuing bank”，or“consigned to the issuing bank”，the certificate of origin may show the applicant of the credit，or another party named therein，as consigneE.If a credit has been transferred，the name of the first beneficiary as consignee would also be acceptablE.

A.However,if
B.“to
C.If
D.

单项选择题

现浇单向板肋梁楼盖主梁正截面受弯承载力设计时，( ) 。 A、跨中截面按矩形截面计算，支座截面按 T 形截面计算 B、跨中截面按 T 形截面计算，支座截面按矩形截面计算 C、跨中截面和支座截面均按矩形截面计算 D、跨中截面和支座截面均按 T 形截面计算

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