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【多选题】
属于长期负债的有A.
定资产
B.
付股利
C.
期借款
D.
付债券
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】What did P and S waves help scientists discover about the layers of the earth?
A.
How deep they are.
B.
Where earthquakes form.
C.
How hot they are.
D.
What purpose they serve.
【单选题】Did you know __ over there? [ ]
A.
what did happen
B.
what happened
C.
what is happening
【单选题】What did the author constantly fight against while doing her Ph.D. and post-doctoral research?
A.
Lack of confidence in succeeding in space science.
B.
Unfair accusations from both inside and outside her circle.
C.
Peoples stereotyped attitude towards female scientists.
D.
Widespread misconceptions about nature and nurture.
【单选题】What did the researchers note according to the passage?
A.
The negative effects of all the positive posts by Facebook users.
B.
The positive effects of all posts by Facebook users.
C.
Feelings of misery and loneliness.
D.
Feelings of frustration and angry.
【简答题】结构构件耐火极限的判定条件有( )、( )、( )。
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