I am very interested in the executive secretary position, which was posted on your website. I think I am very well qualified for the position, as I have five years of secretarial experience at a major Beijing trading firm and I speak both Chinese and English fluently. I would appreciate your giving me the opportunity to discuss my qualifications with you in more details.
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Literacy specialists admit that children who read below the level of their fellow pupils are often afraid of reading aloud in a group, often have lower self-confidence, and regard reading as a headache. It is often identified as a mark of an obstacle in learning in quite a few disciplines, which would easily lead to further problems for the children.
名词解释:确定信号、随机信号、连续时间信号、离散时间信号
构件的强度、刚度、稳定性 。
A. 只与材料的力学性质有关
B. 只与构件的形状尺寸有关
C. 与二者都有关
D. 与二者无关