【判断题】低周疲劳材料经历宏观朔性变形,可使用S-N曲线进行疲劳寿命评估。
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【判断题】雨流计数法属于循环计数法。
A. 对
B. 错
Listen to eight short dialogues between a man and a woman, and choose the best answer to the question after each dialogue.1.[音频]
A. Doing his assignment.
B. Watching TV.
C. Working on a program.
D. Visiting a friend.
[音频]
A. This morning.
B. Tomorrow.
C. Very soon.
D. Maybe later in the day.
[音频]
A. In an office.
B. In a library.
C. In a bookstore.
D. In a supermarket.
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