题目内容

37. It can be inferred from the story five feet eight inches tall is ________.

A. an average height for a fully grown person
B. too tall for an average person
C. too short for an average person
D. None of the above

查看答案
更多问题

4. What can be the suitab4.le title for the text?

A. Crazy Changes, Crazy Followers
B. Wild Dream, Successful Project
C. Lively City, Major Innovation
D. Unchanging Life, Unchanging Dream

埋弧焊只适用于焊接焊缝可以保持在水平位置或倾斜度不大的焊件。()

直流电源的正极与焊条相接时为正接法。()

如果焊接缺陷产生在结构应力集中区,则其对脆断的影响不大。()

答案查题题库