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【多选题】
形式美由( )组成。
A.
形式美感要素
B.
形式美法则
C.
色调
D.
饱和度
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【简答题】6m 3 =______dm 3 1600dm 3 =______m 3 3.2dm 3 =______cm 3 540cm 3 =______dm 3 .
【简答题】5m 3 =(   )dm3                        5.01dm 3 = (   )cm 3 630cm 3 =(   )dm 3 5200dm 3 =(   )m 3 4.25L=(   )ml=(   )dm 3
【单选题】When the percentage change in the quantity demanded is less than the percentage change in price, then demand is
A.
inelastic.
B.
unit elastic.
C.
elastic.
D.
irrelevant.
E.
undefined.
【单选题】反应3R(g)+Q(g)【图片】2T(g)的Kc=2.25,在平衡时T的浓度是3.00mol·dm-3,R的浓度是2.00mol·dm-3,则Q的浓度是
A.
0.500mol·dm -3
B.
0.667mol·dm -3
C.
1.50mol·dm -3
D.
2.00mol·dm -3
【单选题】ON指令常用于()的并联连接
A.
单个常闭触点
B.
单个常开触点
C.
串联块
D.
并联块
【简答题】24m 3 = (     ) dm 3 25000dm 3 = (      ) m 3 28cm 3 = (     ) dm 3 1.65dm 3 = (     ) cm 3 6.7m 3 = (      ) dm 3 45000cm 3 = (      ) dm 3 0.4m 3 = (      ) dm 3 =(      ) cm 3
【简答题】05m 3 =(   )dm 3 250cm 3 =(   )dm 3 =(   )L 240cm 3 =(   )dm 3 4000ml=(   )L=(   )dm 3
【单选题】If the percentage change in price is 10 percent and the demand is elastic, then the percentage change in the quantity demanded
A.
is greater than 0 percent but less than 10 percent.
B.
is larger than 10 percent.
C.
equals 0 percent.
D.
equals 10 percent.
E.
More information is needed to determine the magnitude of the change in the quantity demanded.
【简答题】通用s版九年级下册数学新编基础训练第24章24.3圆周角第3课时答案
【简答题】在100℃时,反应 的平衡常数K c =0.21mol·dm -3 ,则标准平衡常数 的值为______。
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