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【单选题】
,则焊后产生的焊接应力最大。A.
加热时,焊件能自由膨胀; 冷却时,焊件能自由收缩
B.
加热时,焊件不能自由膨胀;冷却时,焊件能自由收缩
C.
加热时,焊件不能自由膨胀;冷却时,焊件不能自由收缩
D.
加热时,有相变应力存在
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举一反三
【单选题】We ___any Chinese classes on Friday.
A.
are having
B.
aren't having
C.
are have
D.
don't have
【简答题】选择方框内词并用其适当形式填空，使文章意思完整。有两项是多余的。(每空一分) do; give; book; listen; apple; it; her Victor is seven years old and begins to school this fall（秋天）. He studies hard and 小题1:___________ to his teachers. He is p...
【简答题】(B) 综合填空 根据短文大意选择方框内的单词,并用其正确的形式填入空白处,使补全后的短文意思通顺，语法正确,结构完整。 walk, from, class, early, late David is an English school boy. His school is not far 小题1: his home. He usually takes a bus to school....
【单选题】We ____ any Chinese classes on Friday.
A.
are having
B.
aren't having
C.
don't have
D.
are have
【单选题】We ____ any Chinese classes on Friday.
A.
don’t has
B.
doesn’t have
C.
don’t have
D.
are have
【单选题】ThinkPHP5.0 在没有启用路由的情况下典型的URL访问规则是( )
A.
http://serverName/index/index.php（或者其它应用入口文件）/模块/控制器/操作/[参数名/参数值...]
B.
http://serverName/index.php（或者其它应用入口文件）/模块/控制器/操作/[参数名/参数值...]
C.
http://serverName/index.php（或者其它应用入口文件)/控制器/操作/[参数名/参数值...]
D.
http://serverName/admin/index.php（或者其它应用入口文件）/模块/控制器/操作/[参数名/参数值...]
相关题目：
【单选题】We ____ any Chinese classes on Friday.
A.
are having
B.
aren't having
C.
don't have
D.
are have
参考解析：
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