có mỗi một câu nên giải thích chi tiết nhé

Question 10. [TH] Read the text and choose the correct answer A, B, C, or D for each of the questions. John Logier Baird, The Father of Television John Logier Baird, who is called “the father of television”, was born in Scotland in 1888. He became an inventor at the age of 26. His first inventions were electrically-heated socks and air-filled shoes, but these were not very successful. However, in 1923, he became interested in the idea of pictures by radio. He worked for several months, and the following year he succeeded in transmitting the first “television” picture a few meters across the room. Baird’s “television” was not very clear, but people were very interested and he tried to make it better. In 1926, he showed it to the public at the Royal Society. In 1928, he transmitted the first picture across the Atlantic and in 1929, the BBC and the German post office began to broadcast TV with his system. John Logier Baird ___________. A. is called “the father of television” B. was born in Scotland in 1888 C. was an inventor D. all are correct Question 11. [TH] Read the text and choose the correct answer A, B, C, or D for each of the questions. John Logier Baird, The Father of Television John Logier Baird, who is called “the father of television”, was born in Scotland in 1888. He became an inventor at the age of 26. His first inventions were electrically-heated socks and air-filled shoes, but these were not very successful. However, in 1923, he became interested in the idea of pictures by radio. He worked for several months, and the following year he succeeded in transmitting the first “television” picture a few meters across the room. Baird’s “television” was not very clear, but people were very interested and he tried to make it better. In 1926, he showed it to the public at the Royal Society. In 1928, he transmitted the first picture across the Atlantic and in 1929, the BBC and the German post office began to broadcast TV with his system. One of Baird’s first inventions was __________. A. air-filled shoes B. electrically-heated socks C. radio D. A & B Question 12. [TH] Read the text and choose the correct answer A, B, C, or D for each of the questions. John Logier Baird, The Father of Television John Logier Baird, who is called “the father of television”, was born in Scotland in 1888. He became an inventor at the age of 26. His first inventions were electrically-heated socks and air-filled shoes, but these were not very successful. However, in 1923, he became interested in the idea of pictures by radio. He worked for several months, and the following year he succeeded in transmitting the first “television” picture a few meters across the room. Baird’s “television” was not very clear, but people were very interested and he tried to make it better. In 1926, he showed it to the public at the Royal Society. In 1928, he transmitted the first picture across the Atlantic and in 1929, the BBC and the German post office began to broadcast TV with his system. Baird was interested in the idea of pictures by radio at the age of ___. A. 26 B. 35 C. 38 D. 40 Question 13. [TH] Read the text and choose the correct answer A, B, C, or D for each of the questions. John Logier Baird, The Father of Television John Logier Baird, who is called “the father of television”, was born in Scotland in 1888. He became an inventor at the age of 26. His first inventions were electrically-heated socks and air-filled shoes, but these were not very successful. However, in 1923, he became interested in the idea of pictures by radio. He worked for several months, and the following year he succeeded in transmitting the first “television” picture a few meters across the room. Baird’s “television” was not very clear, but people were very interested and he tried to make it better. In 1926, he showed it to the public at the Royal Society. In 1928, he transmitted the first picture across the Atlantic and in 1929, the BBC and the German post office began to broadcast TV with his system. Baird’s “television” was introduced to the world in _______. A. 1923 B. 1926 C. 1928 D. 1929

Question 6. [TH] Choose the correct option A, B, C, or D for each gap to complete the following passage. Computers are helpful in many ways. First, they are fast. They can work with information even (5) __________ than a person. Second, computers can work with a lot of information at the same time. Third, they can store information for a long time. They do not forget things that the common people do. (6) __________, computers are almost always correct. They are not perfect, but they usually do not make mistakes. Recently, it is important (7) __________ about computers. There are a number of things to learn. Many companies have computers at work. In addition, most universities (8) __________ day and night courses in Computer Science. Another way to learn is from a book, or from a friend. After a few hours of practice, you can (9) __________ with computers. NUMBER 6 A. finally B. finish C. final D. finishing Question 7. [TH] Choose the correct option A, B, C, or D for each gap to complete the following passage. Computers are helpful in many ways. First, they are fast. They can work with information even (5) __________ than a person. Second, computers can work with a lot of information at the same time. Third, they can store information for a long time. They do not forget things that the common people do. (6) __________, computers are almost always correct. They are not perfect, but they usually do not make mistakes. Recently, it is important (7) __________ about computers. There are a number of things to learn. Many companies have computers at work. In addition, most universities (8) __________ day and night courses in Computer Science. Another way to learn is from a book, or from a friend. After a few hours of practice, you can (9) __________ with computers. NUMBER 7 A. know B. knew C. knowing D. to know Question 8. [TH] Choose the correct option A, B, C, or D for each gap to complete the following passage. Computers are helpful in many ways. First, they are fast. They can work with information even (5) __________ than a person. Second, computers can work with a lot of information at the same time. Third, they can store information for a long time. They do not forget things that the common people do. (6) __________, computers are almost always correct. They are not perfect, but they usually do not make mistakes. Recently, it is important (7) __________ about computers. There are a number of things to learn. Many companies have computers at work. In addition, most universities (8) __________ day and night courses in Computer Science. Another way to learn is from a book, or from a friend. After a few hours of practice, you can (9) __________ with computers. NUMBER 8 A. have B. has C. had D. having Question 9. [TH] Choose the correct option A, B, C, or D for each gap to complete the following passage. Computers are helpful in many ways. First, they are fast. They can work with information even (5) __________ than a person. Second, computers can work with a lot of information at the same time. Third, they can store information for a long time. They do not forget things that the common people do. (6) __________, computers are almost always correct. They are not perfect, but they usually do not make mistakes. Recently, it is important (7) __________ about computers. There are a number of things to learn. Many companies have computers at work. In addition, most universities (8) __________ day and night courses in Computer Science. Another way to learn is from a book, or from a friend. After a few hours of practice, you can (9) __________ with computers. NUMBER 9 A. do B. play C. get D. work

Question 1. [NB] Choose the word whose underlined part is pronounced differently from the others. A. development B. relate C. effect D. technology Question 2. [NB] Choose the word whose underlined part is pronounced differently from the others. A. washed B. watched C. loved D. missed Question 3. [NB] Choose the word which has a different stress pattern from the others. A. industry B. tornado C. natural D. injury Question 4. [NB] Choose the word which has a different stress pattern from the others. A. climatology B. bibliography C. geography D. radiography Question 5. [TH] Choose the correct option A, B, C, or D for each gap to complete the following passage. Computers are helpful in many ways. First, they are fast. They can work with information even (5) __________ than a person. Second, computers can work with a lot of information at the same time. Third, they can store information for a long time. They do not forget things that the common people do. (6) __________, computers are almost always correct. They are not perfect, but they usually do not make mistakes. Recently, it is important (7) __________ about computers. There are a number of things to learn. Many companies have computers at work. In addition, most universities (8) __________ day and night courses in Computer Science. Another way to learn is from a book, or from a friend. After a few hours of practice, you can (9) __________ with computers. NUMBER 5 A. quickly B. quicklier C. more quickly D. most quickly

Giúp mình bài 16 với ạ mình cảm ơn 😔😔😔😔

Giải pt: `√(x+1) + 1 = 4x^2 + √(3x)`

Giúp mình với ạ . Cảm ơn mn nhiều

Question 15. [NB] Choose the best option A, B, C, or D to complete each sentence. If it rains, we ________ the match. A. cancel B. will cancel C. cancelled D. cancelling Question 16. [TH] Choose the best option A, B, C, or D to complete each sentence. Australia has the biggest _________ in the world. A. natural beauty B. puzzling games C. cattle station D. population Question 17. [TH] Choose the best option A, B, C, or D to complete each sentence. The USA has a population of about 304 million, and it’s the third _______ country in the world. A. smallest B. largest C. narrowest D. highest Question 18. [NB] Choose the best option A, B, C, or D to complete each sentence. If the factory __________ dumping poison into the lake, all the fish and other aquatic animals will die. A. will continue B. to continue C. continue D. continues Question 19. [NB] Choose the best option A, B, C, or D to complete each sentence. The woman sitting next to me on the plane was very nervous. She __________ before. A. hasn’t flown B. hadn’t flown C. didn’t fly D. doesn’t fly Question 20. [NB] Choose the best option A, B, C, or D to complete each sentence. Using ________ including Facebook, YouTube, etc as a means of communication has become very popular among young people. A. social media B. email C. letters D. telepathy

Bạn Hà tính 56.23 nhưng ấn nhầm ra 1 số dẫn đến tích là 980 . Hỏi tổng mà bạn ấn ra tích đó là bao nhiêu

Tìm giá trị lớn nhất và gtri nhỉ nhất của P=1/A.B A= √x-2/ √x +2 B= √x -1/ √x -2