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【多选题】
焊条电弧焊的基本操作技术主要包括（）的方法。
A.
引弧
B.
C.
接头
D.
收弧
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【单选题】九年(1)班同学在准备以建国七十周年辉煌的经济建设成就为主题的黑板报。下列可作为该板报素材的有 1第一颗原子弹成功爆炸 2外汇储备连续多年居世界第一 3中国成为世界第二大经济体 4我国已建成社会主义法治国家
A.
①②
B.
①④
C.
②③
D.
③④
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【单选题】听力原文： 'Go to the playground and have fun,' parents will often say to their kids. But they should remember playgrounds can be dangerous. Each year about 200,000 children end up in hospital emergency ro...
A.
Children don't get enough education safety.
B.
Children are keen on dangerous games.
C.
The playgrounds are in poor condition.
D.
The playgrounds are overcrowded.
查看完整题目与答案
【单选题】标有 “100欧4瓦”和“100欧36瓦”的两个电阻串联,允许加的最高电压是( )
A.
20
B.
40
C.
60
D.
80
查看完整题目与答案
【单选题】标有“100欧4瓦”和“100欧36瓦”的两个电阻串联，允许加的最高电压是( )V。
A.
20
B.
40
C.
60
查看完整题目与答案
【单选题】有第一信号但缺乏第二信号时T细胞活化的结果是( )
A.
导致T细胞分裂
B.
T细胞立即死亡
C.
T细胞失能
D.
导致T细胞克隆扩增
查看完整题目与答案
【单选题】听力原文： 'Go to the playground and have fun,' parents will often say to their kids. But they should remember: playgrounds can be dangerous. Each year, about 200,000 children end up in hospital emergency ...
A.
Children don't get enough education in safety.
B.
Children are keen on dangerous games.
C.
The playgrounds are in poor condition.
D.
The playgrounds are overcrowded.
查看完整题目与答案
【单选题】听力原文： 'Go to the playground and have fun.' Parents will often say to their kids. But they should remember playgrounds can be dangerous. Each year about 200,000 children end up in hospital emergency ro...
A.
Children don't get enough education in safety.
B.
The playgrounds are in poor condition.
C.
The playgrounds are overcrowded.
D.
Children are keen on dangerous games.
查看完整题目与答案
【单选题】标有 “100 欧 4 瓦 ” 和 “100 欧 36 瓦 ” 的两个电阻串联,允许加的最高电压是( )
A.
20
B.
40
C.
60
查看完整题目与答案
【单选题】九年( 1 )班同学打算出一期 “改革开放铸就辉煌”主题黑板报。下列可以作为该板报素材的有 1第一颗原子弹成功爆炸 2外汇储备连续多年位居世界第一 3中国成为世界第二大经济体 4我国已建成社会主义法治国家
A.
①②
B.
①④
C.
②③
D.
③④
查看完整题目与答案
【判断题】有的人在跨文化交际中,因为习惯的力量而一时转不过弯来,适当补充相关的知识就可以在交际中减少口误的发生。
A.
正确
B.
错误
查看完整题目与答案
相关题目：
【单选题】九年(1)班同学在准备以建国七十周年辉煌的经济建设成就为主题的黑板报。下列可作为该板报素材的有 1第一颗原子弹成功爆炸 2外汇储备连续多年居世界第一 3中国成为世界第二大经济体 4我国已建成社会主义法治国家
A.
①②
B.
①④
C.
②③
D.
③④
查看完整题目与答案
【单选题】听力原文： 'Go to the playground and have fun,' parents will often say to their kids. But they should remember playgrounds can be dangerous. Each year about 200,000 children end up in hospital emergency ro...
A.
Children don't get enough education safety.
B.
Children are keen on dangerous games.
C.
The playgrounds are in poor condition.
D.
The playgrounds are overcrowded.
查看完整题目与答案
【单选题】标有 “100欧4瓦”和“100欧36瓦”的两个电阻串联,允许加的最高电压是( )
A.
20
B.
40
C.
60
D.
80
查看完整题目与答案
【单选题】标有“100欧4瓦”和“100欧36瓦”的两个电阻串联，允许加的最高电压是( )V。
A.
20
B.
40
C.
60
查看完整题目与答案
【单选题】有第一信号但缺乏第二信号时T细胞活化的结果是( )
A.
导致T细胞分裂
B.
T细胞立即死亡
C.
T细胞失能
D.
导致T细胞克隆扩增
查看完整题目与答案
【单选题】听力原文： 'Go to the playground and have fun,' parents will often say to their kids. But they should remember: playgrounds can be dangerous. Each year, about 200,000 children end up in hospital emergency ...
A.
Children don't get enough education in safety.
B.
Children are keen on dangerous games.
C.
The playgrounds are in poor condition.
D.
The playgrounds are overcrowded.
查看完整题目与答案
【单选题】听力原文： 'Go to the playground and have fun.' Parents will often say to their kids. But they should remember playgrounds can be dangerous. Each year about 200,000 children end up in hospital emergency ro...
A.
Children don't get enough education in safety.
B.
The playgrounds are in poor condition.
C.
The playgrounds are overcrowded.
D.
Children are keen on dangerous games.
查看完整题目与答案
【单选题】标有 “100 欧 4 瓦 ” 和 “100 欧 36 瓦 ” 的两个电阻串联,允许加的最高电压是( )
A.
20
B.
40
C.
60
查看完整题目与答案
【单选题】九年( 1 )班同学打算出一期 “改革开放铸就辉煌”主题黑板报。下列可以作为该板报素材的有 1第一颗原子弹成功爆炸 2外汇储备连续多年位居世界第一 3中国成为世界第二大经济体 4我国已建成社会主义法治国家
A.
①②
B.
①④
C.
②③
D.
③④
查看完整题目与答案
【判断题】有的人在跨文化交际中,因为习惯的力量而一时转不过弯来,适当补充相关的知识就可以在交际中减少口误的发生。
A.
正确
B.
错误
查看完整题目与答案
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