Tìm một số câu ca dao tục ngữ nói về điểm mạnh, điểm yếu của con người Việt Nam

Nghị luận về dịch covid-19

- Biểu hiện

- Nguyên nhân

- Tác hại

- Biện pháp

Giải hệ phương trình :

x + 3y = 1

(m² + 1)x + 6y = 2m

Trong mỗi trường hợp sau :

a) m = -1

b) m = 0

c) m = 1

Viết lại câu bị động không ngôi theo cách 2 :

1. They expect more than 100,000 people will attend the festivals at the Perfume Pagoda this year.

2. People have reported that Thien Duong is the longest cave in Viet Nam.

3. People believe the Perfume Pagoda was built during the reign of Le Thanh Tong in the 15th century.

4. People say Ha Long Bay is one of the most extraordinary natural wonders you will ever see.

5. People hope many defensive measures will be taken to protect and preserve our man-made wonders.

Cho biểu thức :

A = \(\left(\frac{4\sqrt{x}}{2+\sqrt{x}}-\frac{8x}{4-x}\right):\left(\frac{\sqrt{x}-1}{x-2\sqrt{x}}-\frac{2}{\sqrt{x}}\right)\). ĐKXĐ : x > 0, x ≠ 4

a) Rút gọn A

b) Tìm x để A = -1

Viết lại câu bị động không ngôi theo cấu trúc 2 :

1. It is known that Ha Long Bay was recognised as a World Heritage Site by UNESCO in 1994

2. It is believesd that the best time to visit the complex of Hue Monuments is in April

3. It is reported that thousand of visitors come to enjoy breathtaking views of Ha Long Bay every year

4. It is claimed that Phong Nha - Ke Bang can be compared to a huge geological museum

5. It is understood that Binh Dai Fortress was designed to control movement on the Perfumed River

6. It is expected that the government will have measures to protect and preserve our man-made wonders

1 If I ............. that you were in the hospital, I ............ you (know/visit)

2 I shouldn't have believed it is if I ............ with my own eyes (not see)

3 If you ............ ten minutes earlier, you .......... a seat (arrive/get)

4 If you .............. more slowly, they .......... you (speak/understand)

5 If he ................ the instructions carefully, he ............ in hot water (read/wash)

1. If you ............ a king, what ............. ? (be/you-do)

2. You would feel better if you ............. a short rest (take)

3. If she ............... two years older, she ............... part in the contest (be/take)

4. They ............. angry if you didn't inform him (be)

5. The teacher .......... disappointed if I .......... lazy like this (not be/not be)

6. What ............. if the moon ............. ? (happen/disapppear)

7. If the cats had wings, they ............. able to fly (be)

8. If the streets ............, there .............. so many accident (widen/not be)

9. If you broke the traffic law like him, you ........... a fine (get)

10. He ................ better if he ............. his hair dried (look/not have)