皮皮学，免费搜题
登录
搜题
【单选题】
熔滴过渡过程对电弧的稳定性、焊缝成形和冶金过程都有很大的影响，以下不属于主要的熔滴过渡形式的是：（）A.
自由过渡
B.
平缓过渡
C.
接触过渡
D.
渣壁过渡
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】Not until____________the exam _________ the importance of doing homework.
A.
had he failed; he realized
B.
he had failed; did he realize
C.
he had failed; he realized
D.
had he failed; did he realize
【简答题】布置作业:习题集 1. P2 :尺寸注法练习,全部; 2. P3 :几何作图: T3 , 4 , 5 ; 3. P4 :绘图练习:按题目要求,规范地完成几何图形 1 或 2 绘制(学生学号为单数的做几何图形 1 ,双数的做几何图形 2 的练习)
【简答题】(fortunate) ______ , he failed to pass the examination.
【单选题】—Do you know the reason why he failed ? —No, he’s a hard-working man___________, he failed finally.
A.
Somehow
B.
Anyhow
C.
Anyway
D.
Somewhat
【简答题】He is (confidence) ______ even though he has failed several times.
【单选题】—_____? —She is tall with long straight hair. [ ]
A.
What does your mother like
B.
What does your mother do
C.
What does your mother look like
D.
What does your mother like doing
【单选题】He ________ the world record.
A.
failed to break
B.
failed to breaking
C.
failed breaking
D.
failed broken
【简答题】()作为一种绝对量指标,表示项目投资在某种折现率时的盈利能力。
相关题目：
参考解析：
知识点：
题目纠错 0
发布
