钢材中硫的含量超过规定标准( D )。A.将提高钢材的伸长率B.将提高钢材的抗拉...

皮皮学，免费搜题

搜题

【单选题】

钢材中硫的含量超过规定标准( D )。

将提高钢材的伸长率

将提高钢材的抗拉强度 prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>

将使钢材在低温工作时变脆

将使钢材在高温工作时变脆 prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>

手机使用

复制链接

新浪微博

分享QQ

微信扫一扫

微信内点击右上角“…”即可分享

反馈

参考答案：

举一反三

【简答题】阅读文章中节选的段落,回答问题: 我那时似乎倒并不怕,因为我觉得这些事和我毫不相干的,我不是一个门房。但她大概也即觉到了,说道:“像你似的小孩子,长毛也要掳的,掳去做小长毛。还有好看的姑娘,也要掳。” “ 那么,你是不要紧的。”我以为她一定最安全了,既不做门房,又不是小孩子,也生得不好看,况且颈子上还有许多炙疮疤。 “ 那里的话?!”她严肃地说。“我们就没有用么?我们也要被掳去。城外有兵来攻的时候...

查看完整题目与答案

【判断题】幼儿教师对幼儿的影响是通过师幼互动实现的。

正确

错误

查看完整题目与答案

【简答题】Pollution Hundreds of years ago, life was much harder than it is today. People didn't have modern machines. There was no modern medicine, either. Life today has brought new problems. One of the bigges...

查看完整题目与答案

【简答题】Hundreds of years ago, life was much harder than it is today. People didn’t have modern machines. There was no modern medicine, either. Life today has brought new problems. One of the biggest is p...

查看完整题目与答案

【多选题】在图层中,用“雪花”和“小太阳”来表示图层所处的某种状态,以下表述错误的是( )A.“雪花”表示锁定,“小太阳”表示解锁

“雪花”表示解锁，“小太阳”表示锁定

“雪花”表示冻结，“小太阳”表示解冻

“雪花”表示解冻，“小太阳”表示冻结

查看完整题目与答案

【简答题】Hundreds of years ago, life was much harder than it is today．People didn’t have modern machines．There was no modern medicine, either． Life today has brought new problems．One of the biggest is pollutio...

查看完整题目与答案

【单选题】世界竹子分区正确的是( )。 1. 亚太竹区; 2. 美洲竹区; 3. 非洲竹区; 4. 欧洲竹区。

123

124

134

234

查看完整题目与答案

【简答题】阅读理解 Hundreds of years ago, life was much harder than it is today. There was no modern medicine. Life today has brought new problems. One of the biggest is pollution. Water pollution has made our rive...

查看完整题目与答案

【简答题】阅读理解 Hundreds of years ago, life was much harder than it is today. People didn't have modern machines. There was no modern medicine, either. Life today has brought new problems.One of the biggest is p...

查看完整题目与答案