1 . World Environment Day is a UN Environment-led global event,     1     takes place on June 5 every year and is celebrated by thousands of communities worldwide. Since it began in 1972, it has grown to become the     2     (large) of all the celebrations of environment each year. China owns half the world’s electric vehicles and 99% of the world’s electric buses. By     3     (host) World Environment Day 2019, the Chinese government will be able to showcase its innovation and progress toward a cleaner environment.

2 . 假设你是红星中学高三学生李华，请根据以下四幅图的先后顺序，写一篇英文周记，记述春节期间你幸运地参加“故宫过大年”活动的全过程。
注意：词数不少于60。
提示词：微信朋友圈 WeChat circle
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