Trong các chính sách cai trị của nhà Hán, chính sách nào là thâm độc nhất ?

     A. Nộp nhiều thứ thuế đặc biệt là thuế sắt, thuế muối

     B. Cống nạp các sản vật quý

     C. Thực hiện chính sách lao dịch và binh dịch nặng nề

      D. Đồng hóa

1. The house has been built in the forest. It doesn’t have electricity.

➜ The house which has been built in the forest doesn't have electricity.

2. Do you know the man? He is coming towards us.

➜ Do you know the man who is coming towards us?

3. I sent my parents some postcards. They were not so expensive.

➜ I sent my parents some postcards which were not so expensive.

4. I come from a city. The city is located by the sea.

➜ I come from a city which is located by the sea.

5. The soup was so delicious. I had it for lunch.

➜ The soup which i had for lunch was so delicious.

6. The man is her father. You met him last week.

➔ The man who you met last week is her father.

7. Carta has a sister. Her sister’s name is Juma.

➔ Carta has a sister whose name is Juma.

8. Show me the new hats. You bought them last night.

➔ Show me the new hats which you brought them last night.

9. Huyen likes the blue T-shirt. My sister is wearing it.

➔ Huyen likes the blue T-shirt which my sister is wearing.

10. That is a company. It produces ring.

➔ That is a company which produces ring.

11. The children were attracted by the show. It was performed so many.

➔ The children were attracted by the show which was performed so many.

12. Linda bought a new phone yesterday. I can use it to send and receive message.

➔ Linda bought a new phone which can be used to send and receive message yesterday.

13. Tet is a festival. Tet often happens in late January or early February.

➔ Tet is a festival which often happens in late January or early February.

14. My best friend can compose songs. Ly sings folk songs very well.

➔ _______________________________________.

15. Cuong is the boy. He is giving my mom a gift.

➔ Cuong is the boy who is giving my mom a gift.

1. The girl was very pleased with the result of the exam,....?

A. didn't she      B. wasn't she      C. does she       D. is she

2. Peter was...last student to leave the classroom yesterday

A. an          B. a         C. the        D. 0

3. Different conservation efforts have been made in order to save giant pandas...they were under greater threat

A. because        B. although        C. despite        D. because of

4. My mother works in an orphanage...by an independent non-profit organization from England

A. is sponsoring       B. is sponsored       C. sponsored       D. sponsoring

5. Many countries in the world have complimented Vietnam on...effective measures in combating Covid 19

A. taking        B. causing       C. making       D. doing

6. I don't understand your point. Could you...it with an example?

A. intensify       B. verify       C. clarify       D. diversify

7. I'm afraid an adventure holiday is not really my cup of... I'd rather relax by the pool at a luxury hotel

A. coffee         B. beer         C. tea        D. wine

Sửa lỗi sai:

My (younger) brother is (determined) to erase the memory of a (disappointed) Cup debut two (years) ago.

→disappointing

She broke her leg as she fell off her bike.

Let's play soccer

'Take care' là bảo trọng nhé

\(\left\{{}\begin{matrix}\dfrac{4}{x}+\dfrac{3}{y}=9\\\dfrac{7}{x}+\dfrac{4}{y}=17\end{matrix}\right.\)

Đặt \(\left\{{}\begin{matrix}\dfrac{1}{x}=a\\\dfrac{1}{y}=b\end{matrix}\right.\) ta được:

\(\left\{{}\begin{matrix}4a+3b=9\\7a+4b=17\end{matrix}\right.\)

⇔\(\left\{{}\begin{matrix}16a+12b=36\\21a+12b=51\end{matrix}\right.\)

⇔\(\left\{{}\begin{matrix}-5a=-15\\4a+3b=9\end{matrix}\right.\)

⇔\(\left\{{}\begin{matrix}a=3\\4.3+3b=9\end{matrix}\right.\)

⇔\(\left\{{}\begin{matrix}a=3\\b=-1\end{matrix}\right.\)

\(\Leftrightarrow\left\{{}\begin{matrix}\dfrac{1}{x}=3\\\dfrac{1}{y}=-1\end{matrix}\right.\)

\(\Leftrightarrow\left\{{}\begin{matrix}x=\dfrac{1}{3}\\y=-1\end{matrix}\right.\)

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