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【简答题】
当X射线管电压超过临界电压就可以产生__和___。
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皮皮学刷刷变学霸
举一反三
【单选题】__________ elephants are different from wild elephants in many aspects， including their tempers．
A.
Cultivated
B.
Regulated
C.
Civil
D.
Tame
【简答题】have many needs including ones such as affection. knowledge and a sense
【简答题】Mount Chogori has many high peaks, including five ______.
【单选题】Including the Macdonald's, how many fast food companies altogether are brought to court?
A.
4
B.
3
C.
5
D.
6