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【多选题】
下面( )的情况下不会产生外部性。A.
企业向空气中排放污染物；
B.
家庭主妇铲掉家门口的雪；
C.
在一个人的封闭环境里吸烟；
D.
养蜂人的蜜蜂给邻居的果树授粉。
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举一反三
【简答题】用现在完成时填空：_____ ihr am Wochenende eure Freunde _____? (treffen)
【单选题】According to the passage, number sense in animals appears to be ______.
A.
restricted to about one dozen species or less
B.
present chiefly in winged creatures
C.
similar to a faculty possessed ty men in all stages of development
D.
as intricate as counting
【单选题】Specific schedule revisions for which of the following facilities are listed in this announcement?
A.
Athletic and recreational.
B.
Food and transportation.
C.
Bookstore and post office.
D.
Medical and audio-visual.
【简答题】dick这条裙子显得你胖。Das Kleid macht _____ dick.她的头发很多。Ihr _____ ist sehr dick.他们是好朋友。Sie sind _____ Freunde.
【简答题】Does your pet have a slim figure? According to the Association of Pet Obesity Prion (APOP), about half of all dogs and nearly 60% of all indoor cats are overweight. Larry Kornegay, president of t...
【简答题】根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。该项中有两项为多余选项。 My mother is a dit and kind woman. She is very busy from morning till night. As a teacher, she works hard. ___小题1:___ Both my brother and I love her dea...
【简答题】______ ihr Freunde? (sein)
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