1 . She loves the ________(虚拟的) world, with only her computer to keep her company. (根据汉语提示单词拼写)

2 . We practise earthquake safety ________ (程序，步骤) twice a year, so the kids were calm enough to protect themselves during the earthquake. (根据汉语提示单词拼写)

3 . As the impact of human activities continues to grow and the list of species in danger of ________ (灭绝，绝种) becomes longer, we are left with a question: can we afford to damage the “lungs of the planet”? (根据汉语提示单词拼写)

4 . I thought this vast wave of food was the total number of dishes to be served, and I started eating__________(贪婪地). (根据汉语提示单词拼写)