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tranphumy0609
2 năm trước
Cho tam giác abc các trung tuyến ad,be,cf cắt nhau tại g a, tính ae/ac b, tính ag/gd c, kể 2 đoạn cặp đoạn thẳng tỉ lệ với ag và gd VẼ CẢ HÌNH GIÙM NHA CẢM ƠN
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VOCABULARY AND GRAMMAR I. Match a word in column A with its description in column B, writing the answer in each blank. Answer A B ______ 1. A thunderstorm A. It is created when the surface layer of the ground collapses. It varies in size and are found all over the world. It is an area of ground that has no natural external surface drainage. When it rains, all of the water stays inside it and typically drains into the subsurface. It can vary from a few feet to hundreds of acres and from less than 1 to more than 100 feet deep. ______ 2. A tornado B. The Earth has a crust under the oceans and the land that we live on. This crust made of massive areas of flat rock called tectonic plates, which float on the Earth’s mantle, the inside layer of the Earth. When the plates move slowly together, this movement forces energy through the crusts to the Earth’s surface. The energy causes the Earth to tremble and shake. ______ 3. A hurricane C. It is a very bright flash of electricity that happens in a thunderstorm. It is actually a spark that crosses the gap between two clouds or between a cloud and the Earth. It carries an enormous charge of electricity. Trees are burned, metal can be melted and people can be killed. ______ 4. An earthquake D.It is caused by earthquakes at sea. It forms when energy from an earthquake displace hundreds of cubic kilometers of water from the seabed. Large waves begin moving through the ocean from their epicenters. When it reaches shallow water near coastal areas, it increases in height. The sign comes before it strikes when the waterline suddenly retreats, exposing hundreds of meters of beach and seabed. ______ 5. A volcano E. It is a very violent windstorm. The air is concentrated and whirls up rapidly. It is grey in colour and looks like an elephant’s trunk swaying down from the clouds to touch the ground with its tip. ______ 6. A tsunami F. It is a hill or mountain formed when molten material or lave from the inside of the Earth is forced through the Earth’s crust by gases. It can produce vast clouds of very fine volcanic dust which looks like smoke. ______ 7. A sinkhole G. It is a storm where you hear thunder and see lightning. There is usually heavy rain. It is an electric storm. ______ 8. Lightning H. It is the most violent storm known on Earth. It is a tropical storm. It forms at sea and causes dangerous, stormy seas. It can reach the land and destroy buildings and trees. It can blow high waves onto the land and cause flooding. II. Complete each sentences with the correct word from the box. drought flood hurricane landslide tornado 1. When there is a ___________, a lot of water covers an area where there usually isn’t water. 2. A ___________ refers to a long time without rain. 3. When there is a ______________, a lot of rocks and earth fall down a hill. 4. A____________ is a storm with a lot of wind that moves over water. 5. A____________ is a storm in which the air moves very quickly in a circle. III. Use the verbs in the box in the correct form to complete the sentences. bury evacuate rage take recover scatter provide suffer 1. The government _____________ health and other services to the affected regions. 2. Action were _____________ to limit the effects of the floods in Quang Ninh. 3. The Red Cross helped homeless families to ____________ from the disaster through the project. 4. The majority of concerned areas have ___________ from cholera epidemics after the floods and landslides in Central America. 5. Early September, mudslides caused by heavy rains _____________ an entire village of 480 inhabitants. 6. Thousands of villagers ____________ from flood-prone areas after the warnings from the weather bureau. 7. Tiny particles of dust, smoke, salt or pollution droplets that ___________ through the air to cause haze. 8. The fires ____________ for more than a week in the southern region of Chile, which has been hit by a severe drought. Làm ơn giúp mình, 4h30 mình phải nộp rồi ạ 🙏

PHẦN TRẮC NGHIỆM Hãy chọn đáp án em cho là đúng nhất: Câu 1. Sông ngòi nước ta chảy theo hai hướng chính là: a. Bắc – Nam và vòng cung . c. Tây – Đông và vòng cung. b. Đông Bắc – Tây Nam và vòng cung d. Tây Bắc – Đông Nam và vòng cung. Câu 2. Phần lớn sông ở nước ta là: a. Sông nhỏ và ngắn . c. Sông nhỏ và dài. b. Sông lớn và dài. d. Sông lớn và ngắn. Câu 3. Hồ Y- a-ly nằm trên sông: a. Xrê Pôk. c. Đồng Nai. b. Thác Bà . d. Xê Xan. Câu 4. Mùa lũ trên sông Bắc Bộ là : a. Từ tháng 5 đến tháng 9 c. Từ tháng 7 đến tháng 11. b. Từ tháng 9 đến tháng 12 d. Từ tháng 6 đến tháng 9. PHẦN TỰ LUẬN Câu 1. Em hãy nêu một số nguyên nhân làm cho nước sông bị ô nhiễm? Câu 2. Vì sao phần lớn sông ngòi nước ta lại ngắn và dốc? giúp mình với

Brazil, the largest country in South America and the fifth largest country in the world, is located in the eastern half of South America. The people of Brazil are famous for their outgoing, friendly, and fun-loving nature. Brazilian women are considered to be among the best dressed in the world. Brazil is a federal republic with 23 states. The capital city is Brasilia. Portuguese is the official language and it is spoken with a distinct Brazilian accent. Brazil has a population of over one hundred and thirty – eight million, which is made up of people of many different races and ethnic groups. A number of industrial products are produced in Brazil, including cars, chemicals, ships, machines, and military weapons. Mining is also an important industry. Agriculture is another important industry. Many crops are exported, including coffee ( Brazil is the largest coffee grower in the world), cotton, soybeans, sugar, cocoa, rice, corn and fruit. 61. Where is Brazil ? 62. Is English the official language in Brazil ? 63. Does Brazil have a population of around 158 million ? 64. What are the people of Brazil famous for ? 65. What is Brazil the world’s largest producer of ?

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