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计算题:试验算如图所示的摩擦型高强度螺栓连接,钢材为Q235,螺栓为10.9级,M20,连接接触面采用喷砂处理,则P=155kN,μ=0.45。(不必验算螺栓总的抗剪承载力)
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举一反三
【判断题】Most foreigners are expected to use chopsticks proficiently.
A.
正确
B.
错误
【单选题】Most foreigners ________ living the Parisian life.
A.
dream
B.
dream that
C.
dream of
D.
dream about
【单选题】Most foreigners prefer to take a ________Tour in Wudang.
A.
skiing
B.
Taiji
C.
cable car
D.
cultural
【单选题】Most foreigners dream of living the Parisian life and_____ the local crowd.
A.
encompassing
B.
living with
C.
comprehending
D.
blending into
【单选题】《中华人民共和国防沙治沙法》规定:在沙化土地范围内从事开发建设活动的,必须事先就该项目可能对当地及相关地区( )产生的影响进行环境影响评价,依法提交环境影响报告;环境影响报告应当包括有关防沙治沙的内容。
A.
生态
B.
生存环境
C.
环境
D.
生态环境
【多选题】Most foreigners come to visit China because of its ________.
A.
long history
B.
ancient culture
C.
gorgeous arts
D.
excellent tradition
【判断题】For most foreigners, their first impression about China is the food, they speak highly of Chinese cuisine.
A.
正确
B.
错误
【单选题】Most foreigners feel uncomfortable when ____ in the street.
A.
stared at
B.
dressed up
C.
put away
D.
watched out
【单选题】Like most foreigners, I ask a lot of questions, some of which are insultingly silly. But everyone I ______ has answered those questions with patience and honesty.
A.
come across
B.
come by
C.
come over
D.
come into
【简答题】土地所有权有争议,不能依法证明争议土地属于农民集体所有的,属于( )所有。
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