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【判断题】
工厂生产产品周围环境造成污染,危害周围居民正常的生产和生活,属于负的外部性,根据科斯定理,只要排污权明晰,这种外部不经济是可以解决的。( )A.
正确
B.
错误
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【简答题】Listening 1 Popularity of different entertainment media Carol Day’s class done a survey in their year into the popularity of different kinds of entertainment media. Here, Ms Day is telling her class a...
【单选题】On ______ April Fool’s Day, some of the naughty boys in our class played _____ trick on the new teacher. [ ]
A.
the; a
B.
the; 不填
C.
不填 ; a
D.
不填；不填
【简答题】Listening 1 Popularity of different entertainment media Carol Day’ s class done a survey in their year into the popularity of different kinds of entertainment media. Here, Ms Day is telling her class ...
【单选题】Tom's score on the English test is the lowest in his class he ______ have studied very hard.
A.
may
B.
must
C.
should
D.
can
【简答题】完形填空。 Carol and Susan were great friends. They were in the same class at __ 1 __ , and they often played together after school. When Carol was eight years __ 2 __ , her mother had a baby. Carol was __...
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