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搜题/搜资源
【单选题】【消耗次数:1】
A police officer claimed he had attempted to ____ paying his fare.
①
avoid
②
reject
③
refuse
④
neglect
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【单选题】
A police officer claimed he had attempted to _______ paying his fare.
①
avoid
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reject
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refuse
④
neglect
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【单选题】
It was not until he arrived in class _____ realized he had forgotten his book.
①
when he
②
that he
③
and he
④
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20. Only when he had handed in his exam paper ____ he had made several mistakes.
①
he has realized
②
does he realize
③
has he realized
④
did he realize
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I should think they have done it ________, to avoid paying you the money.
①
with purpose
②
on purpose
③
in purpose
④
to purpose
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He didn’t keep on asking me the time any longer as he had had his watch ____.?
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repaired ?
②
to repair ?
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repairing ?
④
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【判断题】
He had his leg break when he slipped on a piece of ice.
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正确
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错误
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【单选题】
3. He had to ______ his past actions when he retired, or he would be punished.
①
consider
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account for
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think
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【单选题】
His mother had talked to him for two hours while he was watching TV, but_____.
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a little did he hear
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little did he hear
③
little heard he
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The reason why he didn’t take the exam was _____ he had an accident on his way to the school.
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because
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because of
③
that
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due to
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【单选题】
You had better avoid ___________ in a bus.
①
read
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reads
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to read
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随机题目
【单选题】
双排脚手架横向水平杆(小横杆)靠墙一端至墙装饰面的距离不宜( )。
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大于100mm
②
大于600mm
③
大于500mm
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大于400mm
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连墙件应靠近主节点设置,这是为了( )。
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便于施工
②
便于连墙件没置
③
便于立杆接长
④
保证连墙件对脚手架起到约束作用
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【单选题】
扣件式钢管脚手架所用的钢管规格尺寸( )。
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Φ48.3×3.6或Φ51x3
②
Φ38x2.5
③
Φ30x1.5
④
Φ62x4
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在脚手架主节点处必须设置一根横向水平杆(小横杆),用直角扣件扣紧,且严禁拆除,这是因为( )。
①
横向水平杆是构成脚手架整体刚度的必不可少的杆件
②
横向水平杆是承传竖向荷载的重要受力构件
③
横向水平杆是承传竖向、水平荷载的重要受力构件
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横向水平杆是承受竖向荷载的重要受力构件,又是保证脚手架的整体刚度的不可缺少的杆件
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脚手架作业层的脚手板铺设规定为( )。
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可以不满铺
②
应满铺、铺稳
③
应铺满、铺稳,离开墙面不超过120-150mm
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应铺满、铺稳,离开墙面200-300mm处可以不设任何防护
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脚手板搭接铺设时,接头必须支在横向水平杆上,搭接长度和伸出横向水平杆的长度应分别为( )。
①
大于200mm和不小于100mm
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大于80mm和不小于50mm
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大于40mm和不小于200mm
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大于100mm和不小于50mm
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单排脚手架的横向水平杆设置应满足要求( )。
①
一端用直角扣件固定在纵向水平杆上,另一端插入墙内,插入深度不小于180mm
②
一端用旋转扣件固定在纵向水平杆上,另一端插入墙内,插入深度不小于100mm
③
一端用旋转扣件固定在纵向水平杆上,另一端插入墙内,插入深度不小于80mm
④
一端用直角扣件固定在纵向水平杆上,另一端插入墙内,插入深度不小于50mm
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【单选题】
钢管扣件脚手架立杆底座下的垫板长度和厚度尺寸是( )。
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不宜小于3跨和小于50mm
②
不宜小于2跨和小于50mm
③
不宜小于2跨和小于30mm
④
不宜小于3跨和小于30mm
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钢管扣件脚手架底层步距不应( )。
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大于2m
②
大于3m
③
大于3.5m
④
大于4.5m
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脚手架施工荷载按均布荷载计算可分为( )。
①
承重架3kN/m2,装修架2kN/m2
②
承重架(结构施工用)2.7kN/m2,装修架2.5kN/m2
③
承重架(结构施工用)2kN/m2,装修架1kN/m2
④
承重架(结构施工用)5kN/m2,装修架4kN/m2
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