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relationrelateda. The reason that Nanjing occupies a small space in Zhang Ailing’s literature world lies in her direct and indirect with the city.b. The development of art and literature in the Tang Dynasty is closely to the prosperous economy and stable society at the time.

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Complete the sentences with suitable expressions from the collocation box. Make changes where necessary. Sometimes more than one collocation is possible.Verbs which often go before:reputation: give / have / ruinAdjectives which often go before:competition: intense/ fair /freeAdverbs which often go with:value : highly/ greatly/ sociallycomplain:loudly/bitterly / constantly1 Practicing good corporate social responsibility (企业社会责任) can usually _ a company a good _.2 The Chinese ____ social harmony and smoothness of relationships within the family.3 To protect consumers’ rights and ensure , the government is careful to work out the laws about online shopping.4 He informed me of the _ between students and how they work hard to hopefully go to a famous university.5 For long, the Chinese people of being afraid of losing face or lian in Chinese.6 I just can’t stand people who ____________ in public places.

设集合A={1,2,3,4},B={2,4,6,9},那么集合A,B的对称差A⊕B=( ).

A. {1,3}
B. {2,4,6}
C. {1,3,6,9}
D. {1,2,3,4,6,9}

设有集合A,B，下面的说法哪个是错误的（）

A. |A∩B| ≤ min(|A|, |B|)
B. |A-B| ≤ |A|-|B|
C. |A-B| ≥ |A|-|B|
D. |A⊕B| = |A|+|B|-2|A∩B|

设A表示以101开始的长度为6的位串集合,B表示以00结尾的长度为6的位串集合。那么,集合|A∩B|= ____。