I. Choose the best answer A, B, C or D to complete the sentences: 1. I ______________ Tom and Jerry many times. A. see B. saw C. am seeing D. have seen 2. My favorite _______________ is swimming. A. game B. match C. activity D. sport 3. He first _______________Ho Chi Minh City. A. go B. went C. visited D. been to 4. I’d like _______________a picnic. A. have B. has C. having D. to have 5. The Nile River is the _______________river in the world. A. high B. longest C. longer D. highest 6. Lan doesn’t like watching TV. She _______________watches TV. A. always B. usually C. never D. often 7. You can watch Harry Potter on TV________________ you can read it. A. or B. when C. but D. so 8. _________________ do you go to the gym? – By bus. A. What B. How C. Why D. Which 9. If we cut down more forests, there _______________ more floods. A. are B. will have C. been D. will be 10. It’s getting light. Shall I turn _______________ the lights to save electricity. A. off B. on C. up D. in II. Supply the correct tense or form of the verb in parentheses: 1. We (not visit) _____________ Nha Trang yet. 2. Trung is learning to play the guitar. He (have) _______________ guitar lessons twice a week. 3. If it is nice tomorrow, we (plant) ______________ some young trees in our garden. 4. We might (go) _______________ to the Moon for our summer holidays in 2050. 5. I was ill so I (not come) ________________ to school yesterday. PART C: READING I. Read the following passage and put a word in the box in each of the numbered blanks: control turn on change make use Scientists predict the places and the ways we live will (1) ___________ a lot in the future. Our houses in the future will be larger and more eco-friendly. Around our houses, there will be a lot of green trees. We will only (2) ____________ wind energy or solar energy instead of electricity in our houses. We will be able to (3) ____________ our future houses with our voices. We can sit at one place and order everything we want. For example, when it is dark, we will ask to (4) ___________ the lights or TV when we want to watch a programme on it. It will (5) _____________ our lives more comfortable and more interesting. 1_________ 2_________ 3_________ 4___________ 5__________ II. Choose the correct word A, B, C or D for each gap to complete the following passage: Before you travel to the US, you must find out what documents you need. British people do not (1) ____________ to get a visa, but there are different rules for (2) ____________ nationalities. For example, you don’t need to show that you have enough money (3) _________ you. But there is one rule you can be sure about: everyone has to show their passport. The roads in New York are very busy, but don’t worry, you can get around cheaply and easily by subway. Remember that you are not allowed to smoke (4) ___________ public transport or in shops. And don’t forget that you must tip taxi drivers and waiters. New York is not the most dangerous city in the US, but you really shouldn’t walk along empty streets at night. And it is (5) ___________ to travel around in groups. 1. A. ought B. have C. should D. used 2. A. other B. many C. different D. some 3. A. on B. in C. of D. with 4. A. in B. on C. at D. by 5. A. safer B. safe C. safest D. more safe III. Read the following passage and do the tasks below: A lovely house Peter lives in a house near the sea. It’s is an old house, about 100 years old, and it’s very small. There are two bedrooms upstairs but no bathroom. The bathroom is downstairs next to the kitchen and there’s a living room where there’s a lovely fireplace. There’s a garden in front of the house. The garden goes down to the beach and in spring and summer there are flowers everywhere. Peter lives alone with his dog, Boxer, but they have a lot of visitors. Their city friends often stay with them. Peter loves his house for many reasons: the garden, the flowers in the summer, the fireplace in winter, but the best thing is the view from his bedroom window. Peter is thinking of a new house in the future with the help of Robots. A. True (T) or False (F): Statement T F 1. Peter’s house is far from the sea. 2. The house is behind the garden. B. Answer the questions: 1. How many rooms are there upstairs? =>___________________________________________________________________ 2. Is there a bathroom upstairs? =>___________________________________________________________________ 3. Who often come to stay with them? =>____________________________________________________________________ cần gấp

Giúp mình 2 câu xác định chiều (và biểu diễn) dòng điện cảm ứng từ chạy trong khung dây với. Cảm ơn nhé

1.You need to attend the course. → It’ 2.She is responsible for looking after the puppy. → Taking the puppy 3. The test was hard, so we couldn’t do it successfully. →We couldn’t do it successfully beacause the test 4. We are disappointed that people have spoiled the lake. →It is 5. Why don’t we use energy saving appliances instead of ordinary ones to save energy? → I suggest that 6. The students are preparing for the coming lecture. That pleases our form teacher. →Our form teacher is 7. We shouldn’t use plastic bags so as to have a clean environment →Our environment will be 8. The children are excited about going to the circus. → The children are looking 9. When did you start learning English? →How long is ? 10. Mary works hard as a student. → Mary is 11. He bought this car because of its low price. → He bought 12. It rains heavily, so we can’t go out. → Because of 13. She was lazy, so she couldn’t pass the exam. → Because of her 14. Nobody can do the test because of its difficulty. →Because the test 15. He couldn’t go to school because of his sickness. → Because

vẽ saitama................................đi mà

Hỗn hợp X gồm H2, C2H4 và C3H6 có tỉ khối đối với H2 là 9,25. Cho 22,4 lít X (đktc) vào bình kín có chứa một ít bột Ni. Đun nóng bình một thời gian, thu được hỗn hợp khí Y có tỉ khối so với H2 bằng 10. Tính số mol H2 đã phản ứng.

Dẫn hỗn hợp A gồm một anken và H2 (có tỉ lệ số mol 1 : 1) qua Ni nung nóng thu được hỗn hợp B. Tỉ khối của B so với A là 1,6. Tìm hiệu suất phản ứng hiđro hóa.

Làm hộ mình câu 4 và câu 3 nhé cảm ơn nhiều

Bài 16: Cho hỗn hợp X gồm etilen và H2 có tỉ khối so với H2 bằng 4,25. Dẫn X qua bột Ni nung nóng, sau một thời gian thu được hỗn hợp Y. Biết hiệu suất phản ứng hiđro hóa là 75%, tìm tỉ khối của Y so với H2.

Vẽ sơ đồ lập luận cho văn bản nước đại việt ta

CÂU HỎI ĐUÔI – TAG QUESTIONS Choose the best option to complete these following sentences. 1. We don't need to go to the store today, _______? A. don't we B. do I C. do we D. need we 2. Susan can bring some food, _______? A. won't she B. will she C. can't she D. can she 3. The party starts at eight o'clock, _______? A. isn't it B. doesn't it C. does it D. is it 4. The movie was very long, _______? A. isn't it B. wasn't it C. was it D. is it 5. There's a dictionary on the shelf, _______? A. isn't it B. isn't there C. aren't there D. is there 6. There's a lot of noise outside, _______? A. aren't there B. are there C. is there D. isn’t there 7. Mrs. Smith is sick, _______? A. is she B. is she C. wasn't she D. isn’t she 8. The dishes are dirty, _______? A. weren't they B. isn't they C. aren't they D. are they 9. Steven won't be at the party, _______? A. won't he B. isn't he C. will he D. is he 10. The math test was very difficult, _______? A. wasn't it B. isn't it C. weren't they D. was it 11. We can go tomorrow, _______? A. won't we B. can we C. can't we D. will we 12. I'm early, _______? A. isn't I B. aren't I C. are I D. am I 13. This shirt is too big for me, _______? A. isn't it B. doesn't it C. does it D. is it 14. Emily plays the piano well, _______? A. isn't it B. does she C. doesn't she D. is she 15. Your neighbours went on vacation, _______? A. isn't they B. did they C. aren't they D. didn’t they