单选题：We learn from the third paragraph that____

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We learn from the third paragraph that____ A．London was plagued with rats in the 1950s
B．London is covered with smog today
C．London was polluted by smog in the 1950s
D．Los Angeles is as heavily polluted today as London was in the 1950s

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人类社会自有了国家，就开始了征税的历史。从古到今，各国开征的税种，但总的来说，可以将它们

人类社会自有了国家，就开始了征税的历史。从古到今，各国开征的税种________，但总的来说，可以将它们________为直接税和间接税两大类0直接税如土地税、

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Paragraph 3 _________

Paragraph 3 _________A．Necessity for developing adult education B．Earlydays of a

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回答题Adult Education1.Voluntary learning in organized courses

回答题Adult Education1.Voluntary learning in organized courses by mature men and wo

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Mary has made up her mind not to go to the meeting.

Mary has made up her mind not to go to the meeting.A．tried B．promised C．decided

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下列属于同一种社会形态的两个成熟程度不同的发展阶段的（　　）

下列属于同一种社会形态的两个成熟程度不同的发展阶段的（　　）A．奴隶社会和封建社会 B．自由竞争资本主义和垄断资本主义社会 C．社会主义社会和共产主义社会 D．

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