【简答题】Rip is the restraint force (or moment) corresponding to the i thartifical of the primary structure due to the external loadings in the displacement method.
【判断题】I am a left-behind children. So in my impression, my grandma taught me a lot like my life teacher. Although she had passed away, what she taugt me is always in my heart. When I was 8, I was wrongly ro...
【单选题】Part one: Vocabulary in context. 2.In the sentence below, the word prevalent means: “Although alcohol abuse occurs in all economic classes, it remains most prevalent among the poor” (Paragraph 5 )