选择正确的字母或字母组合完成下列单词，并将其译成汉语。( )

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问题选择题

选择正确的字母或字母组合完成下列单词，并将其译成汉语。

( ) 1. y_ _ng
(   ) 2. k_nd
(    ) 3. sh_ _t
(    ) 4. m_ th
( ) 5. _unn_

A. oa
A. a
A. or
A. o
A. y, y

B. ou
B. 1
B. oo
B. a
B. f, t

C. el
C. i
C. in
C. c
C. f, y

答案

答案：C

问答题简答题

国家主权具有哪两方面的特性？

单项选择题

At the instant when a string of casing being run from a ship is landed in the well head,（）.

A.the total weight in air of the casing string is removed from the ship

B.the hook load (weight of the casing string) is removed from the ship

C.the weight of the casing inside the riser is removed from the ship

D.the weight of the casing string added to the weight of the fill-up mud is removed from the ship