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“按本地区抗震设防确定其抗震措施和地震作用，在遭遇高于当地抗震设防烈度的预估罕遇地震影响时不致倒塌或发生危及生命的严重破坏”的要求适合于下列( )抗震设防类别。

A.特殊设防类(甲类)
B.重点设防类(乙类)
C.标准设防类(丙类)
D.适度设防类(丁类)
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单项选择题
The oldest form of trade is _______.
A．switch
B．agency
C．open account
D．barter
单项选择题
Some people hate everything that is modern.They cannot imagine how anyone can really like modern music;they find it hard to accept the new fashions in clothing;they think that all modern painting is ugly;and they seldom have a good word for the new buildings that are being built everywhere in the world.Such people look for perfection in everything,and they take their standards of perfection from the past.They are usually impatient with anyone who is brave enough to experiment with new or to express himself or the age in materials original ways.It is,of course,true that many artists do not succeed in their work and instead produce works that can only be considered as failures.If the work of art is a painting,the artist’s failure concerns himself alone,but if it is a building,his failure concerns others too,because it may damage the beauty of the whole place.This does sometimes happen,but it is completely untrue to say,as some people do,that modern architecture is nothing.
We can’t judge every modern building by the standards of the ancient time,even though we admire the ancient buildings.Technologically,the modern buildings are more advanced.The modern architect knows he should learn from the ancient works,but with his greater resources of knowledge and materials,he will never be content to imitate the past.He is too proud to do that.
Some people hate everything that is modern because_______.
A.theyareaged
B.theyfindithardtoacceptmodernthings
C.theytaketheirstandardsofperfectionfromtheGreek
D.theylookatthingsbythestandardsofthepast
单项选择题
检验批合格质量中，对一般项目的质量验收当采用计数检验时，除有专门要求外，一般项目在不得有严重缺陷的前提下，其合格点率最低应达到：( )
A.70%及以上
B.75%及以上
C.80%及以上
D.85%及以上
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