Một người kéo 1 thùng gỗ nặng 20kg theo phương ngang bằng 1 lực 150N. vật di chuyển đoạn đường 20m . Biết góc giữa lực và phương ngang là 60(độ) Tính công của lực

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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. People who want to learn a foreign language may have one of great number reasons. Firstly, those who find themselves living temporarily in the foreign language community will have to learn the language to survive in that community. Secondly, many students study a foreign language only because it is part of their school curriculum. Additionally, some students learn the language because they want to know more about the people who speak it and the places where it is spoken. Finally, some people want to learn a foreign language as they think it offers, in some general way, a chance for advancement in their daily lives. It is obvious that there are several possible reasons for studyinga language. Which of the following statements is TRUE according to the passage? A. Some students want to study a foreign language to survive. B. All people who learn a foreign language want to know about its people. C. People living abroad don’t need to learn a foreign language. D. Some people think the foreign language offers a chance for advancement. 13 Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits blank (25). Last summer Nam, my old classmate, decided to do a three-week course in Australia because he wanted (23) ________ his English. On his first day at the language school, they ‎(24) ____________ him a test, and the teacher told him, “We’ll put you in the top class.” He was very (25) ____________ to hear that, and, “I am sorry to say”, he proudly to tell all his friends at home, “I’m one of the best students!” But soon he was surprised to find ‎(26) _____________ difficult the class was. He was also felt homesick. “It’s hard to adapt to life in another country!” he thought. (27) ____________ the end of the three weeks, his English was much better, but he was happy to return home. A. pleased B. pleasant C. pleasure D. pleasing 14 Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. He admired the teacher ________ initiated building the school library. A. who B. why C. which D. whom 15 Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. I’m from Vietnam. My ________language is Vietnamese. A. mother tongue B. first C. second D. foreign 16 Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions. Do you remember the year when we started to learn English? A. forget B. know C. acquire D. miss 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. People who want to learn a foreign language may have one of great number reasons. Firstly, those who find themselves living temporarily in the foreign language community will have to learn the language to survive in that community. Secondly, many students study a foreign language only because it is part of their school curriculum. Additionally, some students learn the language because they want to know more about the people who speak it and the places where it is spoken. Finally, some people want to learn a foreign language as they think it offers, in some general way, a chance for advancement in their daily lives. It is obvious that there are several possible reasons for studyinga language. People living temporarily abroad will have to learn the language___________. A. because they want B. to talk with foreigners C. to survive in the foreign language community D. to get good jobs 18 Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the other three in the position of primary stress in each of the following questions. A. rusty B. assist C. fluent D. accent 19 Mark letter A, B, C or D on your answer sheet to indicate the meaningful sentence from the cues given. I / move / new school / English / taught / native teachers. A. I moved to a new school which English is taught with native teachers. B. I moved to a new school where English is taught with native teachers. C. I moved to a new school where English is taught by native teachers. D. I moved to a new school which English is taught by native teachers.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. If I had an IELTS certificate, I ________ get the job. A. would B. must C. will D. am going to 2 Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. Nowadays, more and more people around the world are learning English as a ________ language. A. borrowed B. second C. first D. official 3 Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions. The new girl in our class is reasonably good at English. A. fluently B. slightly C. truly D. fairly 4 Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. I was born in Vietnam and grew up in Spain. I can speak both Vietnamese and Spanish, so I’m _______. A. international B. bilingual C. fluent D. official 5 Mark letter A, B, C or D on your answer sheet to indicate the best option to complete the second sentence so that it has a similar meaning to the first one. My sister can speak both English and Spanish perfectly. A. My sister is not perfect in English and Spanish. B. My sister is fluent at English and Spanish. C. My sister is bilingual in English and Spanish. D. My sister is bilingual at English and Spanish. 6 Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the other three in the position of primary stress in each of the following questions. A. dominance B. affordable C. confusion D. bilingual 7 Mark letter A, B, C or D on your answer sheet to indicate the meaningful sentence from the cues given. There / a shop / my house / sell / cheap DVDs. A. There is a shop near my house which it sells cheap DVDs. B. There is a shop near my house where they sell cheap DVDs there. C. There is a shop near my house where sells cheap DVDs. D. There is a shop near my house which sells cheap DVDs. 8 Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits blank (26). Last summer Nam, my old classmate, decided to do a three-week course in Australia because he wanted (23) ________ his English. On his first day at the language school, they ‎(24) ____________ him a test, and the teacher told him, “We’ll put you in the top class.” He was very (25) ____________ to hear that, and, “I am sorry to say”, he proudly to tell all his friends at home, “I’m one of the best students!” But soon he was surprised to find ‎(26) _____________ difficult the class was. He was also felt homesick. “It’s hard to adapt to life in another country!” he thought. (27) ____________ the end of the three weeks, his English was much better, but he was happy to return home. A. what B. how C. which D. why 9 Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. Many English words have been ________ over the centuries. The ________of form makes English easy to learn. A. simplicity - simple B. simple - simplicity C. simplified - simplicity D. simplifying - simplicity 10 Mark letter A, B, C or D on your answer sheet to indicate the best option to complete the second sentence so that it has a similar meaning to the first one. She doesn’t feel confident at interviews because her English is not very good. A. If her English is good, she will feel confident at interviews. B. If her English was good, she will feel confident at interviews. C. If her English is good, she would feel confident at interviews. D. If her English was good, she would feel confident at interviews. 11 Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits blank (23). Last summer Nam, my old classmate, decided to do a three-week course in Australia because he wanted (23) ________ his English. On his first day at the language school, they ‎(24) ____________ him a test, and the teacher told him, “We’ll put you in the top class.” He was very (25) ____________ to hear that, and, “I am sorry to say”, he proudly to tell all his friends at home, “I’m one of the best students!” But soon he was surprised to find ‎(26) _____________ difficult the class was. He was also felt homesick. “It’s hard to adapt to life in another country!” he thought. (27) ____________ the end of the three weeks, his English was much better, but he was happy to return home. A. improve B. improving C. improved D. to improve