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【单选题】
原发性非典型性肺炎是由哪种微生物引起的A.
衣原体
B.
立克次体
C.
支原体
D.
放线菌
E.
肺炎球菌
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举一反三
【单选题】The furnace that Bessemer used to process iron into steel was called a ______.
A.
heater
B.
steamer
C.
converter
D.
shower
【简答题】一线城市100平方米房价中位数已经达到 百万元,二线城市100平方米房价中位数已经达到 百万元,三线城市100平方米房价中位数已经达到 百万元
【单选题】What is the purpose of cant frames in steel vessels ().
A.
To support the overhang of the stern
B.
To provide strength to shell plating at the stern
C.
To add strength to the deck beams which support the weather decks
D.
To support the plating of a cylindrical tank
【单选题】The government is trying to make things _____ for young people on the road to their dream career.
A.
fair
B.
difficult
C.
harder
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