【判断题】该体系为几何不变体系,有1个多余约束,缺0个必要约束【图片】
【判断题】该体系为几何不变体系,有0个多余约束,缺0必要约束【图片】
【单选题】The shirt is very nice. I’ll take it.
【判断题】该体系为几何可变体系,有0个多余约束,缺1个必要约束【图片】
【单选题】— Have you found anything about famous scientists ____ you'll use for your talk? — Not yet. I'll go to the library after school. [ ]
【单选题】-In what way will you use your portable computer? -I’ll use it ______ for giving lectures at conferences at home and abroad.
【判断题】该体系 为几何不变体系,且有一个多余约束。【图片】