【判断题】脆性转变温度越低,钢材的低温冲击韧性越好。
【简答题】四、 补全对话。(共 5 小题,每小题 2 分,满分 10 分) 用方框中所给的 A 、 B 、 C 、 D 、 E 五个 选项按照适当的顺序填入空白处, 补全对话。 A. Maybe you haven’t noticed it. B: Do you see the sign over there. Caution! Wet paint ? C. Would you mind not...
【简答题】一、填空。(每空一词,每空10分,共100分) 1. The _____(编辑)agreed to reprint your article in the next issue. 2. He is a professional ___________ (记者). 3. She is a talented musician as well as a _____________ (摄影师). 4.Bu...
【判断题】机器的主要特征是:人为的多种实物(构件)的组合体、各实物(构件)之间具有确定的相对运动并能完成有用的机械功或实现能量转换。
【简答题】( ) 是具有确定相对运动的各种实物的组合,不能实现机械能的转换。
【简答题】作业 1 In this section, there are two passages with 10 blanks. You are required to select one word for each blank from a list of choices in a word bank following the passage. You may not use any of the ...