Dear Lily,

    How are you doing these days? I know your holiday is 1 week. You can come to Shanghai. Shanghai is very 2 and I always need (需要) a map here. Do you like 3 food? I can take you to 4 some great food. The 5 here are very good too. And you can 6 some good clothes. Do you know Disneyland (迪斯尼乐园)? I 7 it. It is a special world and it is 8 Let's go there. We can have great fun (乐趣) there. Oh, you don't need to take 9 clothes. You can come to my home to stay with me 10 wear my clothes.

    Yours,

    Daisy

已知sin2α=$\frac{2}{3}$，则cos²（α+$\frac{\mathrm{\pi }}{4}$）=____