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【判断题】
纵向一体化，特别是前向一体化，一般涉及的投资数额较大且资产专用性较强，增加了企业在该产业的退出成本。A.
正确
B.
错误
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【简答题】A．We can invent ways of increasing rainfall. B．We can develop ways of reusing water and utilizing sea water. C．We can cut down our consumption of water. D．We can reduce the number of factories produci...
【简答题】A．We can invent ways of increasing rainfall. B．We can develop ways of reusing water and utilizing sea water. C．We can cut down our consumption of water. D．We can reduce the number of factories produci...
【简答题】A．We can invent ways of increasing rainfall. B．We can develop ways of reusing water and utilizing sea water, C．We can cut down our consumption of water. D．We can reduce the number of factories produci...
【单选题】——would you like to go and see the film with me this evening?——I am sorry, I can’t because I ____
A.
18．——would you like to go and see the film with me this evening? ——I am sorry, I can’t because I ________my homework. A．does
B.
did
C.
am doing
D.
has done
【简答题】Why shouldn’t you be nervous? Because it may affect your _________________________________.
【简答题】景观要素的基本类型包括（）、（）和基质。
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