【简答题】完形填空。 No air means death (死). 1 we can't see it, there is air around us. So air is everywhere and it 2 life to every 3 thing. 4 it we can't live. Bad air makes people ill. We must have fresh air to ke...
【简答题】阅读理解。 The air around us is important to everyone. Without air, we couldn't live. Everyone understands that. But air is important in many other ways-ways that are not always widely known. For example, ...
【简答题】阅读理解。 No air means death. Although we can't see it, there is air around us. So air is everything and it gives life to every living thing. Bad air makes people ill. We must have fresh air to keep us in...