17 Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions. Inventions That Changed Our World People have been inventing things for years. Paper was invented about 2,000 years ago. The wheel was invented more than 5,000 years ago. What would life be like without paper to write on or bikes to ride? Those inventions have made life easier. Airplane The Wright Brothers invented the first airplane in December 1903. That makes 2003 the 100th anniversary ! Before the airplane was invented, most people traveled by cars, boats, and trains. Today, airplanes help people travel faster. How do airplanes help you? Telephone Alexander Graham Bell invented the telephone in 1876. Before the telephone was invented, people kept in touch by writing letters or talking in person. Today the telephone makes it easier for people to talk to one another. How do telephones help you? Automobile The first four-wheeled gas-powered car was invented by Karl Benz in 1891. Before people had cars, they couldn’t travel easily. They walked or rode horses for short trips. They took trains or boats for long trips. Today cars are one of the main ways people travel. How do cars help you? Computer People worked for years to make the first computer. It was built in 1946. The first computer was called ENIAC. Today computers are an important part of many people’s lives. People use computers as tools to write, get information, and much more. How do computers help you? Question 18. What do all the inventions described in this text have in common? A: All the inventions were invented by Americans. B: All the inventions changed how people travel. C: All the inventions were invented in the 20th century. D: All the inventions made people’s lives easier. 18 Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions. Inventions That Changed Our World People have been inventing things for years. Paper was invented about 2,000 years ago. The wheel was invented more than 5,000 years ago. What would life be like without paper to write on or bikes to ride? Those inventions have made life easier. Airplane The Wright Brothers invented the first airplane in December 1903. That makes 2003 the 100th anniversary ! Before the airplane was invented, most people traveled by cars, boats, and trains. Today, airplanes help people travel faster. How do airplanes help you? Telephone Alexander Graham Bell invented the telephone in 1876. Before the telephone was invented, people kept in touch by writing letters or talking in person. Today the telephone makes it easier for people to talk to one another. How do telephones help you? Automobile The first four-wheeled gas-powered car was invented by Karl Benz in 1891. Before people had cars, they couldn’t travel easily. They walked or rode horses for short trips. They took trains or boats for long trips. Today cars are one of the main ways people travel. How do cars help you? Computer People worked for years to make the first computer. It was built in 1946. The first computer was called ENIAC. Today computers are an important part of many people’s lives. People use computers as tools to write, get information, and much more. How do computers help you? Question 17. Which of the followings are two inventions in the passage that were invented before 1900? A: the car and the computer B: the telephone and the car C: the airplane and the telephone D: the computer and the airplane

Đốt cháy bột Al trong bình khí Clo dư, sau khi phản ứng xảy ra hoàn toàn khối lượng chất rắn trong bình tăng 4,26 gam. Khối lượng Al đã phản ứng là

Question 19. It can be inferred from the passage that ________. A: Alexander Graham Bell wrote many letters in his lifetime. B: someone had the idea to invent the computer in the 1940s or early 1950s. C: the Wright Brothers spent a long time trying to invent the airplane. D: Karl Benz didn’t like to walk or ride horses for short trips. 12 Choose the best answer A, B, C or D to complete the sentence. Question 10. Thomas Edison was one of the _____ of the world. A: greatest inventors B: great inventor C: greater inventors D: greatest inventor 13 Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions. Inventions That Changed Our World People have been inventing things for years. Paper was invented about 2,000 years ago. The wheel was invented more than 5,000 years ago. What would life be like without paper to write on or bikes to ride? Those inventions have made life easier. Airplane The Wright Brothers invented the first airplane in December 1903. That makes 2003 the 100th anniversary ! Before the airplane was invented, most people traveled by cars, boats, and trains. Today, airplanes help people travel faster. How do airplanes help you? Telephone Alexander Graham Bell invented the telephone in 1876. Before the telephone was invented, people kept in touch by writing letters or talking in person. Today the telephone makes it easier for people to talk to one another. How do telephones help you? Automobile The first four-wheeled gas-powered car was invented by Karl Benz in 1891. Before people had cars, they couldn’t travel easily. They walked or rode horses for short trips. They took trains or boats for long trips. Today cars are one of the main ways people travel. How do cars help you? Computer People worked for years to make the first computer. It was built in 1946. The first computer was called ENIAC. Today computers are an important part of many people’s lives. People use computers as tools to write, get information, and much more. How do computers help you? Question 21. The primary purpose of this passage is to describe ________. A: the reasons why Karl Benz invented the gas-powered car. B: some inventions that have made a big difference. C: some ways that computers help to make our lives easier. D: the invention of the airplane in December 1903. 14 Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions. Inventions That Changed Our World People have been inventing things for years. Paper was invented about 2,000 years ago. The wheel was invented more than 5,000 years ago. What would life be like without paper to write on or bikes to ride? Those inventions have made life easier. Airplane The Wright Brothers invented the first airplane in December 1903. That makes 2003 the 100th anniversary ! Before the airplane was invented, most people traveled by cars, boats, and trains. Today, airplanes help people travel faster. How do airplanes help you? Telephone Alexander Graham Bell invented the telephone in 1876. Before the telephone was invented, people kept in touch by writing letters or talking in person. Today the telephone makes it easier for people to talk to one another. How do telephones help you? Automobile The first four-wheeled gas-powered car was invented by Karl Benz in 1891. Before people had cars, they couldn’t travel easily. They walked or rode horses for short trips. They took trains or boats for long trips. Today cars are one of the main ways people travel. How do cars help you? Computer People worked for years to make the first computer. It was built in 1946. The first computer was called ENIAC. Today computers are an important part of many people’s lives. People use computers as tools to write, get information, and much more. How do computers help you? Question 20. What does the word anniversary in the second paragraph most nearly mean? A: a statement of fact B: a celebrate date C: an event D: an interesting idea 15 Choose the best answer A, B, C or D to complete the sentence. Question 11. My friend said he really enjoyed doing _____experiments. A: science B: scientifically C: scientific D: scientist

10 . Are / morden/ THere / towers/ my /in /town . Giúp mini vs

Since the late 1980s, the economy of ireland (grow)... rapidly

Help me với 😭😭😭😭😭😭😭😭😭😭

Đốt cháy hoàn toàn 16,8 lít khí Metan (đkct) bằng oxy dư 20% so với lượng phản ứng a,viết pt pư b,tính klg sản phẩm tạo thành và thể tích khí oxy đã dù?

Giải phương trình hệ có bản và đưa về phương trình cơ bản

6 Choose the word whose underlined part is pronounced differently from the others. A: studies B: programmes C: dates D: explores 7 Mark the letter A, B, C or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges. Question 14. Paul: “Mary will help the teacher do the experiment”. Tom: “_____” A: Do you understand? B: Are you certain? C: Can you hear? D: What did you know? 8 Choose the sentence which has similar meaning to the first one. Question 25. The new teacher will teach us science tomorrow. A: We will be taught science for the new teacher tomorrow. B: We will be teached science by the new teacher tomorrow. C: We will taught science by the new teacher tomorrow. D: We will be taught science by the new teacher tomorrow. 9 Choose the best answer A, B, C or D to complete the sentence. Question 9. When he was ten, he set up a small laboratory after he _____a book his mother showed him. A: had read B: read C: reads D: has read 10 Mark the letter A, B, C or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges. Question 13. Chau: Many people think that the real inventor of the telephone was Antonio Meucci, a poor Italian American. Duong: _____. A: Really? He couldn’t do that. B: Really? Poor him! C: Really? I don’t think. D: Really? How could he do that?

khi nhiệm vụ công việc thay đổi thì chúng ta nên làm gì