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【单选题】
土壤有效氮磷钾含量测定要求的颗粒大小为（）。A.
1mm
B.
<0.25mm< /div>
C.
<0.5mm< /div>
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【单选题】听力原文：W: Let's do something! Why don't we go out for dinner or go dancing. M: I'm watching TV. W: You're always watching TV. Stop being such a couch potato! Get up and let's do something. M: I am doing...
A.
Because it's a way of relaxing himself.
B.
Because ha has nothing else to do.
C.
Because sitcom is very funny,
D.
Because watching TV is his favorite activity.
【单选题】听力原文：W: Let's do something! Why don't we go out for dinner or go dancing. M: I'm watching TV. W: You're always watching TV. Stop being such a couch potato! Get up and let's do something. M: I am doing...
A.
Because it's a way of relaxing himself
B.
Because he has nothing else to do.
C.
Because sitcom is very funny.
D.
Because watching TV is his favorite activity.
【单选题】主尺度比中的长宽比与____无关。 (204119:第01章 船舶常识) (A-0,B-0,C-0,D-0,错误-0)
A.
船体的几何形状
B.
航向稳定性
C.
船舶快速性
D.
排水体积
【单选题】What might be the author's reply to the question "Why is Harvard teaching future leaders to honk like geese?"
A.
Because geese really have a lot of things to teach people.
B.
Because it's a very sensible and clever exercise of team building.
C.
Because the managment which advocates such an exercise is as stupid as a goose.
【单选题】在一容积为3.0*10^-2 m^3 的球形钢罐中储有0.5kg甲烷(CH4)。已知CH4的临界参数T_cr为190.7K，P_cr为4.64MPa。若甲烷由25℃上升到33℃，用R-K方程可知其压力变化为________MPa。
A.
0.071
B.
2.463
C.
2.534
D.
0.319
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