题目

76. She told reporters that she __________（假装） to be dead in order to survive.  77.I lent him the money on the _________（基础） of personal trust. 78. The nineteenth century witnessed a __________（革命） in ship design. 79.She __________（示意） to the waiter by waving her arm that she needed to make an order. 80.Can you __________（简要）tell me about one of your designs? 81.They put on several p__________ at the theater and became famous overnight. 82. Just as the saying goes, “A d_________ relative is not as helpful as a near neighbor.” 8如图所示装置也可用来测定空气中氧气的含量．对该实验认识不正确的是（ ） A.红磷的量不足会影响实验结论B.装置不漏气是实验成功的重要因素之一C.将红磷改为碳也能得到正确的实验结论D.钟罩内气体压强的减小会导致水面的上升