Ⅰ.单词拼写
1.Emitting too much greenhouse gases such as carbon dioxide lies at the (根源) of global warming.
2.Currently, timely (发现) and isolation is still the best method to deal with the novel coronavirus epidemic situation.
3.Each time we smoke, we breathe in about a million particles for each cubic (厘米).
4.When computers are networked, they are l together so that information can be transferred between them.
