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【单选题】
与CD4结合的区域是指A.
α1功能区
B.
β1功能区
C.
α1和β1功能区
D.
α2和β2功能区
E.
β2功能区
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举一反三
【单选题】The documentary collection is a kind of ( ).
A.
remittance way
B.
method to ensure that exporter can get payment
C.
commercial credit of payment
D.
way that exporter provide financing to importer
【单选题】The collection is a kind of ( )
A.
remittance way
B.
method to ensure the exporter can gen payment
C.
commercial credit of payment
D.
way that exporter provide financing to importer
【简答题】Which means of international payment is a kind of banker’s credit?A. Remittance. B. Collection. C. L/C. D. D/D
【单选题】[单选题]物料提升机上料口应装设有联锁装置的安全门,同时采用断绳保护装置或安全停靠装置。通道口走道板应满铺并固定牢靠,两侧边应设置符合要求的防护栏杆和挡脚板,并用()安全网封闭两侧。
A.
阻燃
B.
密目式
C.
普通
【单选题】Which means of international payment is a kind of bank credit?
A.
remittance
B.
collection
C.
L/C
D.
D/D
【单选题】Which kind of collection is very risky for the seller?
A.
D/A
B.
D/P at sight
C.
D/P after sight
D.
D/P
【单选题】The clean collection is a kind of collection accompanied by ( ) documents only.
A.
commercial
B.
governmental
C.
non-governmental
D.
financial
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