HOC24
Lớp học
Môn học
Chủ đề / Chương
Bài học
1. The test was difficult, so the students could not finish it in time
Because_______________
2. the street is narrow but crowded, so accidents usually happen
As_______________
3. The boy is too short to play basketball
Because___________
4. The test is rather easy, so we all can do it perfectly
As____________
5. The weather was so bad that the plane couldn't take off on time
Since____________
6. I left a message because you were out
You____________
7. He came to the meeting late because his car didn't work
His car______________
1. My sister tells stories interestingly
My sister is an____________
2. The children are active students
My children _____________
3. My sister is very clever at making toys from recycled things.
My sister can __________
4. The children play soccer skillfully.
The children are ___________________
5. My brother is not as good at playing soccer as my uncle.
My brother plays_______________
1. Mr. Liam is a good English teacher.
Mr. Liam__________
2. Miss Linda is a careless typist.
Miss Linda ____________
3. My friends are fast swimmers.
My friends__________
4. They are not good at playing chess.
They______________
5. The students are not bad singers.
They____________
so sánh độ hoạt động của Cu, Al, Fe
Phản ứng của Al với O2
- Hiện tượng quan sát được, viết PTHH xảy ra.
- Kết luận về TCHH của AL