【简答题】Though for quite a long time I was not _____1____with my old job, I never thought of spending much time on career planning or career _____2______. I was very busy at work every day. After work, I came...
【多选题】在 fcc 结构的铝单晶体中,若( 111 )面上有一位错 b=a [10-1] /2 ,与( 11-1 )面上的位错 b=a [011] /2 发生反应,则正确的是( )。
A.
位错反应 a [10-1] /2 + a [011] /2 → a [110] /2 可以进行
B.
位错反应 a [10-1] /2 → a [2-1-1] /6+a [11-2] /6 可以进行
C.
位错反应 a [011] /2 → a [-121] /6+a [112] /6 可以进行
D.
位错反应 a [11-2] /6+a [112] /6 → a [110] /3 可以进行
【单选题】(单项选择题)()不是导游讲解生动性的体现。
A.
熟悉讲解内容,巧妙组织,层次分明,高潮迭起,有轻有重
【判断题】账簿记录发生错误时,不准刮擦、挖补或用褪色药水更改字迹
【单选题】()不是导游讲解生动性的体现
A.
熟悉讲解内容,巧妙组织,层次分明,高潮迭起,有轻有重
【单选题】There was no need to wait for a table. They______reservations for us.
【判断题】There was no need to sum up the former experience and go ahead steadily with the reformof China’s railways in the long term.