Nhật Thiên Minh's Profile

9. b  10. a 11. a    12.c   13.c   14.d    15.d  16.a   17.d     18.b   19.b  20.d    21.a    23.b   24.c 25.a  36.b    .37.a   38.d  39.a 40.c 
 bài đọc bạn tự làm nha bài 2 khong có gạch chân 

1. if she phays attention to her cooking, the food isnot horrible
2. mary hasn't met tom for 4 years 
3. the robber was found in the forest by the police yesterday
4. she told us not to wait for her 
5. it is such a narrow road that it is difficult for two cars to pass each other 

1. if she phays attention to her cooking, the food isnot horrible
2. mary hasn't met tom for 4 years 
3. the robber was found in the forest by the police yesterday
4. she told us not to wait for her 
5. it is such a narrow road that it is difficult for two cars to pass each other 

1. if she phays attention to her cooking, the food isnot horrible
2. mary hasn't met tom for 4 years 
3. the robber was found in the forest by the police yesterday
4. she told us not to wait for her 
5. it is such a narrow road that it is difficult for two cars to pass each other 

1. if she phays attention to her cooking, the food isnot horrible
2. mary hasn't met tom for 4 years 
3. the robber was found in the forest by the police yesterday
4. she told us not to wait for her 
5. it is such a narrow road that it is difficult for two cars to pass each other 

1+1 > 2 

kali hidro cacbonat có nhiệt phân ở nhiệt độ từ 100 - 120 *C 
 KHCO3 -> K2CO3 + CO2 + H2O