题目

根据句意及汉语提示完成单词 （1） She also has to be (严肃的) about finding a man who will love andtreat her well. （2） She knows you are an expert, so shemay be (紧张的) about speaking in your presence. （3） If I could(挥动) a wand (魔杖) to make you better, I would. （4） More exercise can make youmore(精力充沛的) and achieve more success. （5） Journalists must amaking mistakes in their newspaper reports. （6） The scientists have done more sresearch to look for a cure for the disease. （7） T在极坐标系中，圆在点处的切线的极坐标方程为             .