对于等直径、等厚度的塔,质量沿高度均匀分布,则计算模型通常简化为()。 A. B. 悬臂梁 C. 外伸梁 D. 以上选项都不是
手机使用
分享
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
【单选题】Directions: Alice is talking with Bill. Watch the videoclip and choose the correct answer to each question. u05p42.mp3: (1) Why does Alice come to Bill's office?
【判断题】Mr. Anderson is talking to Alice. Watch the video clip and decide whether the following statements are true or false. u02p42.mp3: Mr. Anderson is quite satisfied with Alice’s work.
【简答题】A hotel reservation Complete the two faxes with words from the
box available bath book confirm cost inform
look Please sincerely Thank Crawley Electronics Fax From: Crawley Electronics +44 1865 8942...
【判断题】Alice is talking to Eric about office supplies. Watch the video clip and tick ( √ ) those statements that are true. u02p22.mp3: Alice gets the articles that she wants.