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【多选题】
常用河流一维水质模型应用的条件为( )。A.
河流充分混合段
B.
持久性污染物
C.
河流为恒定流动
D.
废水连续稳定排放
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举一反三
【单选题】Which of the following is false about “Verse”?
A.
Melodies of verse change as songs move on.
B.
Verses usually include song titles.
C.
What changes in verses is the lyrics.
D.
The purpose of verse is to tell a story.
【单选题】一根无限长平行直导线载有电流 I, 一矩形线圈位于导线平面内沿着垂直于载流导线方向以恒定速率运动,则
A.
线圈中无感应电流
B.
线圈中感应电流为顺时针方向
C.
线圈中感应电流为逆时针方向
D.
线圈中感应电流方向无法确定
【单选题】Which is not one of the features of blank verse?
A.
Blank verse can only be composed in iambic pentameter.
B.
Blank verse poetry has no fixed number of lines.
C.
Blank verse is widely used in dramatic poetry.
D.
lank verse is quite similar to normal speech but in a variety of patterns.
【单选题】Which of the following is false about “Verse”?
A.
Melodies of verse change as songs move on.
B.
Song titles are usually not in verse.
C.
What changes in verses is the lyrics.
D.
The purpose of verse is to tell a story.
【简答题】一根无限长平行直导线载有电流I，一矩形线圈位于导线平面内沿垂直于载流导线方向以恒定速率运动(如图所示)，则( )． A．线圈中无感应电流 B．线圈中感应电流为顺时针方向 C．线圈中感应电流为逆时针方向 D．线圈中感应电流方向无法确定
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