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【多选题】
下列选项中,属于中华民族优良道德传统的内容有 ( ) 。A.
推崇“仁爱”原则，追求人际和谐
B.
讲求谦敬礼让，强调克骄妨矜
C.
倡导言行一致，强调恪守诚信
D.
重视道德践履，强调修养的重要性
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皮皮学刷刷变学霸
举一反三
【简答题】Now listen to the following recording and answer questions 20 to 22.
【单选题】now listen to the following recording and answer questions 20 to 22. 20
A.
they are not in a hurry when they say thinks out loud
B.
they act as if they are reflecting on everything carefully
C.
they tend to think a lot before they say something out
D.
they enjoy the relaxed feeling and never rush
【简答题】Now listen to the following recording and answer questions 20 to 22.
【简答题】Now listen to the following recording and answer questions 20 to 22.
【单选题】通常闭式软齿面齿轮传动最有可能出现的失效形式是() 开式传动最有可能出现的失效形式是 ()
A.
轮齿折断，齿面磨损
B.
齿面疲劳点蚀，齿面磨损
C.
齿面胶合，轮齿折断
D.
齿面磨损，齿面胶合
【单选题】符号C180X60X20X2.5表示的含义可知
A.
C型钢的高度为180 mm
B.
C型钢的宽度为20 mm
C.
C型钢的高度为60 mm
D.
C型钢的卷边宽度为60 mm
【单选题】Now listen to the followingrecording and answer questions 20 to 22. 20.
A.
Famous people who suffer from mental illness.
B.
Famous people who suffer from strange diseases.
C.
Famous people who lose self-worth and acceptance.
D.
Famous people who want to change their appearances.
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