（1）$\sqrt{81}$+$\sqrt[3]{-27}$+$\sqrt{{\left(-\frac{2}{3}\right)}^2}$

（2）（﹣$\sqrt{3}$）²﹣|1﹣$\sqrt{3}$|+$\sqrt{2^2}$﹣5$\sqrt{3}$

（3）求x值：（3x+1）²=16

（4）（x﹣2）³﹣1=﹣28．

实验室中有两瓶失去标签的稀盐酸和氯化钠溶液，下列四种试剂中能将其鉴别出来的是（  ）

阅读下面的诗歌。
                                                                                              滁州西涧
                                                                                                韦应物
                                                                                        独怜幽草涧边生，
                                                                                       上有黄鹂深树鸣。
                                                                                       春潮带雨晚来急，
                                                                                        野渡无人舟自横。