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【多选题】
对于同一接头中高强度螺栓和焊接并用的连接节点，关于高强度大六角头螺栓连接副初拧、复拧、终拧说法正确的是（）。A.
可采用扭矩法或转角法施拧
B.
24h内完成
C.
接头刚度较大的部位向约束较小的方向进行
D.
螺栓群中央向四周的顺序进行
E.
当设计文件无规定时，宜按先焊接后螺栓紧固的施工顺序进行
拍照语音搜题，微信中搜索"皮皮学"使用
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】— May I swim in the river, Mum? — . [ ]
A.
No, you aren't
B.
Why do you ask me
C.
No, you can't
D.
I can't go with you
【单选题】—Bad luck. My computer doesn’t work. —Why not turn to John? No one can match him in our class when it __________repairing computers.
A.
comes to
B.
leads to
C.
contributes to
D.
attends to
【单选题】听力原文：Why can't the man ask John to call him back? (15)
A.
Because he hasn't a phone.
B.
Because he's leaving the city right now.
C.
Because he's calling from a friend's.
D.
Because his wife is terribly sick.
【单选题】Why can't John Rivers accept Miss Oliver's love?
A.
He had promised to be a missionary.
B.
Because his sisters didn't like her.
C.
Because he had promised to be single.
D.
Because Oliver's father had opposed to their marriage.
【单选题】From this text, a reader can find out
A.
why visitors are not welcome at John and Elizabeth's house.
B.
why Elizabeth exercises every day.
C.
why Elizabeth asked her father to buy the tower.
D.
why John and Elizabeth left their flat.
【简答题】Why can’t John meet Sarah on the day they’ve planned?
【单选题】Why can't John go on the boat trip?(T4)
A.
He has booked theatre tickets.
B.
He's scared of the water.
C.
He doesn't feel well.
D.
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