皮皮学，免费搜题
登录
搜题
【单选题】
滑移面和滑移方向通常是原子排列最密集的平面和方向。对于面心立方金属原子排列最密集的面是{111} 共有( )个A.
4
B.
3
C.
5
D.
15
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
【简答题】请你根据所给句子的提示，在下面方格内填入适当的字母，使每竖、行都成为我们所学的单词，然后将这些单词填入相应的句子中，使每句话意思正确、完整。 1. My watch says it’s 9:00. 2. That TV ________ is very funny. 3. Her mother has an ________ ring. 4. She always wears a ________...
【简答题】完形填空。 Miss Liu is our English teacher. Do you 1 her? And what does she 2 like? Let me 3 you. She's of medium height, but a little 4 heavy. She has short, curly brown 5 . She always wears a pair of _ 6...
【简答题】根据提示写单词。 1. Excuse, where are the _____ (卫生间) in this building? 2. Millie is our monitor. She is not only _____ (有礼貌的)but also helpful. 3. She wears her new brown _____ (衬衣) and she looks pretty. 4. ...
【简答题】完形填空。 Miss Li is our English teacher. Do you 1 her? And what does she 2 like? Let me tell you. She's of 3 height, but a little 4 heavy, She has short brown and 5 hair. She always wears a pair of 6 on ...
【单选题】排烟防火阀安装在机械排烟系统的管道上,平时呈开启状态,火灾时当排烟管道内温度达到( )℃时关闭,并在一定时间内能满足漏烟量和耐火完整性要求,起隔烟阻火作用的阀门。
A.
70
B.
150
C.
280
D.
380
【简答题】请把下列对话按适当的顺序重新排列。 A．Fine, thank you. What about you? B．No, she’s short. C．I’m fine, too. Do you know I have a new friend in Class Five? D．I think I know her. She always wears a red dress and white sho...
【单选题】排烟防火阀安装在机械排烟系统的管道上，平时呈开启状态，火灾时当排烟管道内烟气温度达到_______ 时关闭，并在一定时间内能满足漏烟量和耐火完整性要求，起隔烟阻火作用的阀门。
A.
150℃
B.
200℃
C.
280℃
D.
380℃
相关题目：
参考解析：
知识点：
题目纠错 0
发布
