在进口国内双方约定的目的地交货的贸易术语有（）。A.DAF B.DES C.DEQ_爱下问搜题

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问题多项选择题

在进口国内双方约定的目的地交货的贸易术语有（）。

A.DAF

B.DES

C.DEQ

D.DDU

E.DDP

答案

参考答案：D, E

填空题

Questions 14-18

·Using the information in the text, complete each sentence 14-18, with a word or phrase from the list below.
·For each sentence (14-18), mark one letter (A-G) on the Answer Sheet.
·Do not mark any letter twice.
14. According to Dr. Score, lightning is caused by hail falling through ______.
15. The refrigerated rod served the same functions as ______.
16. Ice particles bouncing off hail falling through a cloud acquire ______.
17. In the paragraph four the word "duplicated" means ______.
18. According to S.E. Regnolds, there could be no lightning without ______.

A. copy
B. a positive charge
C. a negative charge
D. super cooled clouds
E. falling hail clouds
F. hail and super cooled clouds
G. moisture particles

多项选择题

医用氧气的质量标准应达到()

A．无杂质，无有害气体

B．氧浓度不少于99．5％

C．水汽不高于5mL／瓶

D．二氧化碳浓度不高于0．05％