We can also     1     animals in danger without ever entering their habitats.Air ,water,noise and light pollution can all have a deep and damaging     2    .Partly due to pollution     3     by ship traffic and other human activities,the dolphin population has     4     greatly .As the human population continues to grow,     5     does the effect we have on animals

    1     are the ones that look forward to the end of winter and the coming of spring. During the Spring Festival in China, people eat dumplings, fish and meat and may give children lucky money in red paper. There are dragon dances and carnivals, and families     2     together. Some Western countries have very exciting carnivals, which take place forty days before Easter, usually in February. These carnivals might include parades, dancing in the streets day and night, loud music and     3    . Easter is an important     4    for Christians around the world. It celebrates the return of Jesus from the dead and the coming of spring and new life. Japan’s Cherry Blossom Festival happens a little later. The country,     5    , looks as though it is covered with pink snow.