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【单选题】
农村面源污染包括外源性污染和内源性污染，下列选项中属于外源性污染的是()。A.
秸秆燃烧造成的污染
B.
畜禽粪便造成的污染
C.
使用化肥造成的污染
D.
工矿企业造成的污染
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】If the price elasticity of demand for tuna is 0.7, then a 1.5% increase in the price of tuna will decrease the quantity demanded of tuna by
A.
a. 1.05%, and tuna sellers' total revenue will increase as a result.
B.
b. 1.05%, and tuna sellers' total revenue will decrease as a result.
C.
c. 2.14%, and tuna sellers' total revenue will increase as a result.
D.
d. 2.14%, and tuna sellers' total revenue will decrease as a result.
【简答题】réforme de la retraite à 60 ans
【单选题】Tuna is edible, usually canned or _______________.
A.
possessed
B.
processed
C.
pressed
D.
profited
【简答题】réforme de la retraite à 62 ans
【单选题】If the price elasticity of demand for tuna is 0.7, then a 1.5% increase in the price of tuna will decrease the quantity demanded of tuna by
A.
1.05%, and tuna sellers' total revenue will increase as a result.
B.
1.05%, and tuna sellers' total revenue will decrease as a result.
C.
2.14%, and tuna sellers' total revenue will increase as a result.
D.
2.14%, and tuna sellers' total revenue will decrease as a result.
【简答题】Tuna is edible, usually canned or processed.
【单选题】按住( )键的同时单击【创建新图层】按钮 ,可在当前图层的下面新建一个图层,但是【背景】图层除外。
A.
【 Ctrl】
B.
【 Tab】
C.
【 Esc】
D.
【 Shift】
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