A. 1 cặp 

chiều dòng điện:

a) trái qua phải

b) trái qua phải

c) dưới lên trên

d) dưới lên trên

I. 1b 2d 3a 4c

II. 1c 2b 3a 4b 5a

y=5x+3

V. Use the correct form of the word in parentheses to fill in each blank

1. Don’t make a fire here. It’s very……dangerous…… (danger)

2. Air……pollution…...is a big problem in many cities in the world. (pollute)

3. There are a lot of……beautiful…...mountains in Viet Nam. (beauty)

4. The most popular after-school ………activities........ in our country are playing football and badminton. (act)

5. Maryam was impressed by the beauty of the city and the ……friendliness……..of people (friend)

6. All children should play outdoors and develop their…social….skill. (society)

7. Edison’s most famous ……invention….was the electric bulb. (invent)

8. The ao dai is now both traditional and ……fashionable……… (fashion)

9. ………Traditionally……, the ao dai was worn by both men and women (Tradition)

10. Everyone was……excited…..at the soccer match. (excite)

1c 2a 3b 4c

B. Có sự phân hóa thành 4 mùa rõ rệt.

D

bạn kiểm tra xong chưa?

câu này là c. geological nha