______ quiet, please. My baby is sleeping.

水银气压计若挂歪了，其读数将会（      ）

下列关于中国地理位置的叙述，正确的是（    ）

澳门的美称是购物天堂．

阅读下面这首诗，完成题。
                                                                                                                         早  梅 

                                                                                                                           张渭 
                                                                                                  一树寒梅白玉条，迥临村路傍溪桥。
                                                                                                 不知近水花先发，疑是经冬雪未消。