【简答题】B. Listen to an extract from the dialogue and complete the following sentences with the missing words. A: Uh huh, how big is an average glider? B: Erm ... these days they tend to go to about eightee...
【简答题】Find out the problems with the topic sentences and improve them. 1. These days Chinese movies are becoming more and more terrible. 2. This idol is very popular because he is good in looking, adept at ...
【简答题】固定端约束分为平面固定端约束和( )固定端约束。
【单选题】铰点约束与固定端约束的约束反力区别是()。
【简答题】根据所给提示完成句中单词 1. -Alice, here are some g_____ for your birthday. -Thank you. 2. Jenny wants to get Jay's a_____ She is his fan. 3. Look! It's going to rain. Take an u_____, please. 4. Last week was ve...