1. Note some kinds of food and drink your friend should eat and drink.

         2. Note some kinds of food and drink your friend shouldn’t eat and drink.

         3. Mention sports/activities your friend should play/do.

         4. Mention activities your friend shouldn’t do.

         5. Specify benefits your friend will have when he/she does these things.

(60-80 WORDS)

Write a short paragraph describing your room and include the following information in your writing.

         1. Things in your room and their positions

         2. What you usually do with those things

         3. What you like most in your room    

         3. Why you like those things

(About 60-80 words)

Trong mặt phẳng tọa độ Oxy cho tam giác ABC với A(0;2), B(-2;0), C(-2;2):

a) Tính tích vô hướng . Từ đó suy ra hình dạng của tam giác ABC.

b) Tìm tọa D sao cho tứ giác ACBD là hình bình hành.