Tìm Tập xác định của các hàm số sau
a) y = \(\dfrac{\sqrt[3]{x^2-1}}{x^2+2x+3}\)
b) y = \(\dfrac{x}{x-\sqrt{x}-6}\)
c) y= \(\dfrac{\sqrt[3]{x-1}}{x^2+x+1}\)
d) y = \(\dfrac{\sqrt{x^2-2x+3}}{x-3\sqrt{x}+2}\)
e) f(x) = \(\dfrac{1}{\sqrt{1-\sqrt{1+4x}}}\)
1. • 1. Some body clean the house every day. • -> ……………………………………………………………………………..
2. • 2. How do people learn language? • -> …………………………………………………………………………….. •
3. John will collect me at the airport. • -> ……………………………………………………………………………..
• 4. Mr. Robinson teaches us how to speak English properly. • -> …………………………………………………………………………….. •
5. Your teacher must sign this form. • -> ……………………………………………………………………………..
• 6. People play football all over the world. • -> ……………………………………………………………………………..
• 7. Our form teacher will hold a class discussion next Monday. • -> ……………………………………………………………………………..
• 8. Will you invite her to your birthday party? • -> ……………………………………………………………………………..
• 9. We can't wear jeans at work. • -> …………………………………………………………………………….. • 10. Do they speak French and English in Canada? • -> ……………………………………………………………………………..
• 11. They separated the rice from the husk. • -> ……………………………………………………………………………..
• 12. The boys made a fire by their camp. • -> ……………………………………………………………………………..
• 13. They build this house more than one hundred years ago. • -> ……………………………………………………………………………..
• 14. Every year Viet Nam exports millions of tons of rice. • -> ……………………………………………………………………………..
• 15. Vietnamese people celebrate their Lunar New Year around January or February. • -> ……………………………………………………………………………..
làm giúp ạ em đang cần gấp thanks
1.Dùng hiện tại tiếp diễn để:
---->diễn tả 1 kế hoạch đã được sắp xếp trước.
Exercise:
Exercise:
Exercise:
2."be going to+ infinitive"
----> diễn tả 1 dử định hay 1 quyết định sẽ làm trong tương lai gần(không được sắp xếp trước)
* Go/come không dùng với thì này mà phải dùng thì hiện tại tiếp diễn
Exercise:
Exercise:
Exercise:
------> diễn tả 1 dự đoán dựa vào tình huống hay bằng chứng ở hiện tại.
Exercise:
Exercise:
Exercise 1. Choose the correct option in brackets.
1.
2.
3.
4.
5.
Exercise 2. Put the verbs in the brackets in the present progressive or be going to.
1.
2.
3.
4.
5.
Exercise 3. Complete the exchanges, using the present progressive or be going to.
1.
2.
3.
4.
5.
Trong mặt phẳng Oxy , cho ba điểm A ( 2 ; -1 ) , B ( 3 ; -6 ) , C ( -2 ; 1 )
1) Tìm tọa độ điểm D để ABCD là hình bình hành .
2 ) Tìm tọa độ M sao cho \(\overrightarrow{MA}=2\overrightarrow{MB}-\overrightarrow{MC}\)
3 ) Tìm tọa độ điểm E trên trục Ox để \(\left|\overrightarrow{EA}+\overrightarrow{EB}+2\overrightarrow{EC}\right|\) nhỏ nhất .
HELP ME !!!!!
Viết lại câu bằng 2 cách
1. People say that prevention is better than cure.
\(\Rightarrow\)..................................................................
\(\Rightarrow\)...................................................................
2. People suppose that Michael eats spiders.
\(\Rightarrow\)..................................................................
\(\Rightarrow\)..................................................................
3. It is expected that the strike will end soon.
\(\Rightarrow\)..................................................................
\(\Rightarrow\)..................................................................
4. People believe that he has died of cancer.
\(\Rightarrow\)..................................................................
\(\Rightarrow\)..................................................................
5. People say dog is faithful to human being.
\(\Rightarrow\)..................................................................
\(\Rightarrow\)..................................................................
Viết lại câu bằng 2 cách
1. People say that prevention is better than cure.
\(\Rightarrow\)..................................................................
\(\Rightarrow\)...................................................................
2. People suppose that Michael eats spiders.
\(\Rightarrow\)..................................................................
\(\Rightarrow\)..................................................................
3. It is expected that the strike will end soon.
\(\Rightarrow\)..................................................................
\(\Rightarrow\)..................................................................
4. People believe that he has died of cancer.
\(\Rightarrow\)..................................................................
\(\Rightarrow\)..................................................................
5. People say dog is faithful to human being.
\(\Rightarrow\)..................................................................
\(\Rightarrow\)..................................................................
1. honor 2. housing 3. hilly 4. harmless
1. knife 2. deaf 3. wife 4. of
1. laughed 2. talked 3. contained 4. established
cảm ơn mọi người <3
Giúp em phần 1 và 2 vs ạ
Exercise 2. Rewrite the following sentences using conditional sentence type 1
1. Drive carefully or you will cause accident.
àIf_________________________________________________________________
2. Be quiet or you’ll wake the baby up
àIf_________________________________________________________________
3. I don’t have free time, that’s why I can’t go to see him.
àIf_________________________________________________________________