Đọc đoạn văn sau và chọn câu trả lời đúng cho các câu hỏi:People in cities all over the world shop in supermarkets. Who decides what you buy in the supermarket? Do you decide? Does the supermarket decide?When you enter the supermarket, you see shelves full of food. You walk in the aisles between the shelves. You push a shopping cart and put your food in it.You probably hear soft, slow music as you walk along the aisles. If you hear fast music, you walk quickly. The supermarket...
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Đọc đoạn văn sau và chọn câu trả lời đúng cho các câu hỏi:
People in cities all over the world shop in supermarkets. Who decides what you buy in the supermarket? Do you decide? Does the supermarket decide?
When you enter the supermarket, you see shelves full of food. You walk in the aisles between the shelves. You push a shopping cart and put your food in it.
You probably hear soft, slow music as you walk along the aisles. If you hear fast music, you walk quickly. The supermarket plays slow music. You walk slowly and have more time to buy things.
Maybe you go to the meat department first. There is some meat on sale, and you want to find it. The manager of the supermarket knows where customers enter the meat department. The cheaper meat is at the other end of the meat department, away from where the customers enter. You have to walk past all the expensive meat before you find the cheaper meat. Maybe you will buy some of the expensive meat instead of the meat on sale.
1. What is the purpose of the passage?
A. To point out who decides what you buy in supermarkets.
B. To help customers know where things are sold in supermarkets.
C. To describe how food is arranged in supermarkets
D. To explain why people shop in supermarkets
2. When you enter the supermarkets,you see
A. a shopping cart B. shelves full of food
C. a musical instrument D. a shelf full of meat
3. According to the passage, what does the word "it" in line 4 refer to?
A. a shelf B. an aisle C. a supermarkets D. a shopping cart
4. Which of the following is NOT true according to the passage?
A. Supermarkets play solf and slow music.
B. Customers walk quickly when they hear fast music
C. Supermarkets put the cheaper meat near the entrance
D. Customers walk slowly when they hear slow music
5. Where in the passage does the author mention the meat department?
A. lines 1-2 B. lines 3-4 C. lines 5-7 D. lines 8-12
) mà các điểm đầu và điểm cuối được lấy từ các điểm phân biệt đã cho trong các trường hợp sau đây:
là vectơ nào? Vectơ đối của vectơ 
là vectơ nào?
có tâm là O. Tìm các vectơ từ 5 điểm A, B, C, D, O
; 
b) Có độ dài bằng 
và 
sao cho 
, 
. Chứng minh rằng 
là trung điểm của 
.
, 
. Chứng minh rằng 
.
1 . dinosaur fish supermarket lion
2 . shop thirty hospital school
3 . name table chair board
4 . doctor old teacher firefighter
-Hok tốt~