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Cho 12g mg tác dụng vs hno3 loãng dư đc 8.96 lít hỗn hợp khí y gồm no2 và no bt dy/h2=19 .tính klg muối thu đc sau pứ
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Ex2: Circle the letter A, B, C or D to indicate the word whose underlined part that needs correction in each of the sentences. 1. Today, the number of people whom moved into this city is almost double that of twenty years ago. A. whom B. into C. that D. ago 2. The dictionary whom you gave me is very good. A. whom B. gave C. me D. good 3. She is the most beautiful girl whose I have ever met. A. the most B. beautiful girl C. whose D. met 4. The policeman must try to catch those people whom drive dangerously. A. must B. to catch C. people D. whom 5. The person who I told you about yesterday is coming here tomorrow. A. who B. you C. is coming D. tomorrow 6. That is the woman who she told me the news yesterday. A. the woman B. who C. she D. yesterday 7. That’s the boy whom we saw him at school last week. A. the boy B. whom C. saw D. him 8. The man who the police are looking for robbed the bank last week. A. the man B. who C. looking for D. robbed

Ex1: Choose the best answers to complete the sentences. 1. What was the name of the girl _______ passport was stolen? A. whose B. who C. which D. when 2. The bed _______ I slept in was too soft. A. whose B. which C. what D. who 3. What was the name of the people _______ car had broken down? A. which B. who C. whom D. whose 4. She told me her address _______ I wrote on a piece of paper. A. what B. which C. when D. where 5. Do you know the girl _______Tom is talking to? A. whom B. what C. which D. whose 6. I met the woman _______ can speak 6 languages. A. who B. that C. which D. whom 7. Have you seen the money _______was on the table? A. who B. which C. where D. whom8. Where is the picture _______ was on the wall? A. when B. where C. which D. who 9. I don’t like people _______never stop talking. A. who B. which C. whom D. whose 10. Why does she always wear clothes _______are too small for her? A. which B. who C. whose D. where 11. The factory _______ John works in is the biggest in town. A. when B. where C. which D. how 12. Do you know the girl ________ lives next to your house? A. whose B. who C. whom D. which 13. I don’t know the boy ________we met at the party last week. A. which B. whose C. who D. whom 14. My mother, ________everyone admires, is a famous teacher. A. whom B. who C. which D. whose 15. The children,_______ parents are famous teachers, are taught well. A. who B. whom C. whose D. his

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. In the early years of television, educational specialists believed that it would be very useful in teaching and learning. Many schools have brought television sets, intending to use them effectively to improve the quality of education; but actually they are rarely used properly in classrooms. Meanwhile, children spending the majority of their out-of-school hours watching TV and their typical school days proceed as if television did not exist. There are some explanations for the failure of television to get the interest of the teachers. Firstly, the schools that purchased television sets have not set aside money for equipment repairs and maintenance so these television sets are sooner and later out of work. Secondly, these schools have not found an effective way to train teachers to integrate television into their ongoing instructional programs. Lastly, most teachers do not regard the quality of television and its usefulness in the classroom. Teachers at the schools work hard for at least twelve years to train their students to become good readers. However, according a recent statistics, teenagers seldom spend their free time reading books and newspapers but watching television instead. Question 36: When TV first appeared, educational specialists _________ A. did not appreciate it. B. did not appreciate it. C. believed it would be useful for schooling. D.banned children from watching TV. Question 37: Which of the following is NOT TRUE about TV? A. It has not been used properly in classrooms. B. It has been used effectively in classrooms. C. It has existed in classrooms. D. It has attracted students’ interest. Question 38: The word “properly” in the passage is closest in meaning to _________. A. usefully B. friendly C. effectively D. carefully Question 39: There are _________explanations for the failure of television to get the interest of the teachers. A. two B. three C. four D. five Question 40: What is the main idea of the text? A. the use of television at schools. B. teaching and learning television C. educational specialists. D. watching TV outside school.

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