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【多选题】
关于焊缝，下列说法正确的是？A.
对接焊缝的起、灭弧点易出现缺陷，故一般用引弧板引出，焊完后将其切去；
B.
不能做引弧板时，每条焊缝的计算长度等于实际长度减去2t1；
C.
t1是较薄焊件厚度；
D.
V形、U形坡口焊缝单面施焊，但背面需进行补焊；
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【简答题】固定资产卡片管理包括()。 A.卡片修改 B.卡片删除 C.卡片查询 D.卡片增加A.B.C.D. D
【简答题】若要显示当前完整路径,正确的命令是( )
【单选题】In the sentence "All my life I had been looking for something, and everywhere I turned someone tried to tell me what it was" from Invisible Man, what does something mean:
A.
money
B.
status
C.
identity
D.
responsibility
【单选题】pasture [5pB:stFE]
A.
n. 牧地, 草原, 牧场 v. 放牧, 牧(牛、羊)等, 吃草
B.
n. 成人, 成年人 adj. 成人的, 成熟的
C.
n. 罐, 壶 v. 罐装
D.
n. 嘲笑, 奚落 v. 嘲笑, 奚落
【判断题】In the sentence "all the cabbie had was a letter" , "had was " is the past particple(过去分词结构)?
A.
正确
B.
错误
【单选题】The phrase "fronting on" in the sentence "All fronting on the circle railway, which encompasses the whole town, ..." refers to _____________.
A.
arrange along the road
B.
face up
C.
set forward
D.
joint together
【判断题】In the sentence"All the cabbie had was a letter", "had was" is the past perfect structure?(过去完成时结构)
A.
正确
B.
错误
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