皮皮学，免费搜题
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【单选题】
键槽标注选择的公差项目为A.
同轴度
B.
径向圆跳动
C.
端面圆跳动
D.
对称度
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
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【简答题】A sudden thought _________(strike) Frank---he had not done his “good deed for the day 2 . The visit _________(leave) Frank touched, and with an unexpected flicker of joy in his heart. 3. He __________...
【单选题】Frank looked with __awe___at the students of the corps, their cheeks gashed and red, who swaggered about in their colored caps.
A.
respect
B.
contempt
C.
excitement
D.
discrimination
【单选题】关于下列三种常见高分子材料的说法正确的是( )
A.
顺丁橡胶、涤纶和酚醛树脂都属于天然高分子材料
B.
顺丁橡胶是通过缩聚反应合成的
C.
合成涤纶的单体均可发生酯化反应
D.
酚醛树脂是通过加聚反应合成的
【单选题】What can learn about Uncle Frank?
A.
He looked remarkably like the Superman.
B.
He was the strongest man in the block the author lived.
C.
He was living with the author and her mom while waiting to find a job.
D.
He could do lots of trick and walk on his hands.
【简答题】Today I took Frank to have a training class (培训课). We got there earlier than most of the other dogs and owners . Mr. Brown helped us teach our dogs some skills (本领). When the dog did it, he said, “Goo...
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