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参考答案:
举一反三
【多选题】以下属于丰田汽车公司旗下品牌的是()
A.
赛昂
B.
丰田
C.
雷克萨斯
D.
讴歌
【单选题】If the demand for a good or service decreases, producer surplus
A.
increases.
B.
decreases.
C.
remains the same.
D.
may increase, decrease, or remain the same.
【单选题】同温同压下,某容器充满O 2 重116g,若充满CO 2 重122g,现充满某气体重114g,则某气体的相对分子质量为 [     ]
A.
16
B.
60
C.
28
D.
4
【多选题】下列属于藻类的生药有( )
A.
海带
B.
昆布
C.
蛹草
D.
云芝
E.
茯苓
【单选题】Differentiation strategy is a way for a business to differentiate itself from the competition. If successful, it allows the business the opportunity to charge a premium for the good or service. What d...
A.
A sum of money that customers have to pay for the normal cost and profit margin.
B.
A sum of money that customers have to pay for the normal cost.
C.
A sum of money that customers have to pay for the production cost.
D.
A sum of money that customers have to pay for something in addition to the normal cost.
【单选题】If a firm is the only producer of a good or service, it is a(n) ________.
A.
unsuccessful organization
B.
oligopoly
C.
monopoly
D.
competitive participant
【单选题】同温同压下,某容器充满O 2 重116g,若充满CO 2 重122g,现充满某气体重114g,则某气体的分子量为(  )
A.
28
B.
60
C.
32
D.
4
【单选题】同温同压下,某容器充满O 2 重116 g,充满CO 2 重122 g,现充满某气体重114 g,则该气体的相对分子质量为 [     ]
A.
28
B.
60
C.
32
D.
44
【单选题】同温同压下,某容器充满O 2 重116g,若充满CO 2 重122g,现充满某气体重114g,则某气体的相对分子质量为 [     ]
A.
28
B.
60
C.
32
D.
4
【单选题】同温同压下,某容器充满O2重116g,若充满CO2重122g,现充满某气体重114g,该气体的相对分子质量为( )
A.
60
B.
44
C.
32
D.
28
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