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【单选题】
( )的铁路联运,我们称为“货协国”之间的运输。A.
国际货协成员国之间
B.
国际货协成员国与国际货约成员国之间
C.
国际货约成员国之间
D.
不同国家间
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皮皮学刷刷变学霸
举一反三
【简答题】蔗糖是 由 1 分子( ) 和 1 分子( )以( ) 构成。
【单选题】One end of a cylinder for a medium or high-speed diesel engine is sealed by the piston and rings, the other end is sealed by the ________.
A.
crankcase
B.
cylinder head
C.
valve cover
D.
engine frame.
【简答题】蔗糖是由1分子____和1分子____组成。
【多选题】蔗糖是 由 1 分子( ) 和 1 分子( )以 ( 1,4 )糖苷键 构成。
A.
a -D- 葡萄糖
B.
1 分子 β –D- 果糖
C.
麦芽糖
D.
D-山梨糖醇
【单选题】Which of the following sentences has the word "cushion" with the same meaning and usage as that in "to cushion its economy?"
A.
The bush acted as a cushion to my fall.
B.
She pumps up the sofa cushion.
C.
His savings were a comfortable cushion against financial problems.
D.
He told me the brutal truth, making no effort to cushion the blow.
【单选题】Next to the pots ______, upon which the man could work metal.
A.
lay a cushion stone
B.
did a cushion stone lay
C.
laid a cushion stone
D.
did a cushion stone lie
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