题目

词汇运用；根据句意和汉语提示，在空白处填入适当的单词。 1. Liu Xiang is a very _______________（成功的）runner. 2. We hope that the little girl can tell us the _______________（真相）. 3. The presentation will be covered ______________（现场直播）. 4. Can you _____________（证明）that your answers are right? 5.Simon likes ______________（闲聊）with his friend on the Internet.如图，在△ABC中，∠C=90°，AC=BC=1，P为△ABC内一个动点，∠PAB=∠PBC，则CP的最小值为 ．