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66. The interactive whiteboard involves students directly in work in front of the board, ____ most of them love. A. that B. Ø C. which D. whose 67. Qualifications are exam results ____ prove you have reached a certain level. A. which B. Ø C. that D. Both A and C 68. In the USA, a public school is a state school, ____ is run by the government and is free to attend. A. that B. which C. who D. Ø 69. This is the book in ____ Foster describes his experience of the war. A. that B. what C. where D. which 70. Isn't that Tim, the boy ____ father owns a huge yacht? A. whose B. his C. which D. that Exercise 6. Mark the letter A, B, C or D to indicate the underlined part that needs correction in each of the following questions. 81. Before I came to England, I hadn't had the opportunity to speak to people their native tongue is English. A B C D 82. No one has said anything would persuade me to change my mind. A B C D 83. The woman sitting on the red chair is the person to who you must give this envelope. A B C D 84. There are some teachers in our school try to improve the quality of teaching by making use of hi-tech A B C D devices. 85. Modern children, who lives have become more and more dependent on electronic devices, find the A B C traditional way of teaching very dull and boring. D 86. Smartphones and tablets which can be used as effective learning tools for children. A B C D 87. What is the name of the girl that her mobile phone was stolen? A B C D 88. A tablet is a mobile computer is also useful for language learning. A B C D 89. Those want to improve their English can download free digital lessons from the Internet to study. A B C D 90. Mr Peterson who has worked for the same school all his life, is retiring next month. A B C D Part IV. SPEAKING Exercise 7. Mark the letter A, B, C, or D to indicate the correct response to each of the following exchanges. 91. “____ ” _ “It means go very quickly.” A. How can you explain "rush”? B. How do you spell “rush”? C. What does "rush” mean? D. What is the equivalent of “rush”? 92. “____” – “For” answers the question "How long” and “Since” answers the question “When". A. What are the meanings of “for” and “since”? B. What's the difference between “for” and “since”? C. How to see the difference between “for” and “since”? D. How similar are “for” and “since”? 93. “So, Sven, you've been learning English for ten years. That's a long time.”-“____” A. Yes, so what? I want to keep learning until I can hold a conversation like a native speaker. B. It's none of your business! I want to keep learning until I can hold a conversation like a native speaker. C. I suppose it is, but I want to keep learning until I can hold a conversation like a native speaker. D. Well, look at yourself first. I want to keep learning until I can hold a conversation like a native speaker.

Thời gian nào ngắn hơn A. 6/7 giờ B. 7/8 giờ

Viết 1 đoạn văn T-P-h khoảng 12 câu cảm nhận của em về nhân vật Phương Định

Liệt kê các cách chứng minh một điểm là trọng tâm của tam giác. Nếu ∆ABC có AO=2/3AB và O là trung điểm của AB thì O có phải là trọng tâm của ∆ABC ko ??

Exercise 3. Mark the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions. 36. You can download free lessons and put them in your media player or other similar mobile devices. Then you can listen and study anywhere because these devices are portable. A. affordable B. available C. feasible D. carriable 37. Personal electronic devices which distract students from their classwork are banned in most schools. A. forbid B. prohibit C. divert D. neglect 38. Permanent damage to children's body may be caused by frequent contact with electronic devices. A. Immediate B. Long-lasting C. Short-term D. Serious 39. If your smartphone rings in class, it will be very annoying and disruptive. A. interruptive B. supportive C. discouraging D. confusing 40. For very young children, electronic devices may help promote listening and speaking skills. A. advertise B. popularize C. discourage D. improve Exercise 4. Mark the letter A, B, C, or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions. 46. In my country, it is compulsory to go to school between the ages of five and sixteen. A. necessary B. essential C. optional D. selective 47. Do you think that you pay enough attention in class? What have I been talking about? A. neglect B. care C. notice D. consideration 48. Electronic dictionaries are now common in English classes. They can be very easily downloaded into your personal electronic devices. A. individual B. public C. private D. possessive 49. Being able to use computers and the Internet can lead to an improved quality of life. A increased B. enhanced C. promoted D. deteriorated 50. It seems unthinkable today not to provide children with a decent education. A. sufficient B. adequate C. deficient D. proper Part III. GRAMMAR Exercise 5. Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions. 51. “Who's that over there?" - "Oh, it's our new teacher, ____ just started work today." A. that B. who he C. which he D. who 52. "Which CD did you get Marcus in the end?" – "I got him the one ____ said he really wanted to hear." A. that B. who he C. whose D. which he 53. “Who did you send a Valentine's card to?" - "I'm not telling you, but it was someone ____ name begins with “B”.” A. which B. who her C. whose D. whose her 54. "Have you seen Jason Green's latest film?" – "Is that the one in ____ joins the FBI?” A. which he B. that he C. whom he D. which 55. "Why do you like Tania so much?” – “Well, she's one of the few people to ____ I can really talk." A. which B. whom C. that D. who 56. "Why don't we go to Lionel's for dinner tonight?” - “Is that the new restaurant ____ has just opened on the other side of town?" A. which B. where C. that it D. which it 57. "Could you lend me some money?" – "I'd like you to give me one good reason ____ I should." A. that B. which C. why D. who 58. “What do you want to do this summer?” – “I think we should go somewhere ____ has plenty of sun and sand." A. who B. where C. when D. that 59. Smartphones, laptops and tablets are the modern devices ____ have changed the way we think. A. what B. Ø C. whose D. that 60. Students use smartphones to record their phone calls, ____ they later share with the class. A. Ø B. that C. which D. whose 61. A tablet is perfect for people ____ work is to draw and write. A. who B. Ø C. which D. whose 62. You can access the Internet, download programs and information ____ can help you understand the material and widen your knowledge. A. what B. that C. Ø D. who 63. There are sites ____ you can record your own voice and listen to yourself. A. where B. when C. that D. which 64. My teacher, ____ has been teaching for 25 years, finds it hard to make use of electronic devices in her teaching. A. she B. who she C. who D. whose 65. That media player, ____ I often use to practise my English, has some great apps. A. Ø B. that C. what D. which 66. The interactive whiteboard involves students directly in work in front of the board, ____ most of them love. A. that B. Ø C. which D. whose

Câu 3: Cho M= 3x^2y ; N= -5xy^2 a) Tính M.N và tìm bậc của đơn thức thu được sau khi tính. b) Cho D = 7xy^2 + 2x^2y ,tìm đơn thức E sao cho E + D = M + N. giúp mik với

Ai vẽ cho mik 1 skin bất kì vs ạ