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【单选题】
定额税率的一个重要特点是( )A.
按税目确定税额
B.
与征税对象数量成正比
C.
不受价格的影响
D.
与课税数量成正比
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皮皮学刷刷变学霸
举一反三
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【简答题】已知△ABC ∽ △A 1 B 1 C 1 ，AB：A 1 B 1 =3：4，则S △ABC 与 S △ A 1 B 1 C 1 之比为______．
【单选题】All of the plants nowraised on farms have been developed from plants once grew wild.
A.
B.
C.
D
【简答题】已知△ABC ∽ △A 1 B 1 C 1 ，AB：A 1 B 1 = 2 ：3，则S △ABC 与 S △ A 1 B 1 C 1 之比为______．
【简答题】平面机构中，两构件通过 [填空(1)] 接触构成的运动副称为低副，通过 [填空(2)] 或 [填空(3)] 接触构成的运动副称为高副。A. 面B. 点C. 线
【单选题】All of the plants now raised on farms have been developed from the plants wild.
A.
once they grew
B.
they grew once
C.
that once grew
D.
once grew
【单选题】All of the plants now raised on farms have been developed from the plants _____ in the wild.
A.
once they grew
B.
they grew once
C.
that once grew
D.
once grew
【单选题】已知 C(s)+1/2O 2 (g) → CO(g) 的△ r H m =-110.5kJ·mol -1 , C(s)+O 2 (g) → CO 2 (g) 的△ r H m =-393.5kJ·mol -1 ,则 CO(s)+1/2O 2 (g) → CO 2 (g) 的△ r H m 为 ( )
A.
-283.0kJ·mol -1
B.
283.0kJ·mol -1
C.
-110.5kJ·mol -1
D.
-504.0kJ·mol -1
相关题目：
【单选题】All of the plants nowraised on farms have been developed from plants once grew wild.
A.
B.
C.
D