Choose the best answer to fill in the blank. 6. The roof collapsed under the weight of snow. A. broke off B. put away C. pulled down D. fell in 7. The hurricane was ______, it knocked down all the houses on its way. A. destroy B. destructive C. destruction D. destroying 8. Thanks to the weather forecast, the villagers ______ before the flood ______. A. had left/ came B. left/ come C. left/ came D. had left/ come 9. During the next 24 hours, the storm will be moving north, around 10 km per hour and is expected to ______ the southeastern part of China's Guangdong Province. A. bury B. struken C. struck D. strike 10. Due to lack of rainfall, California regularly has ______ in summertime. A. tornado B. floods C. droughts D. tsunamis 11. A heavy storm swept through the village and many people ______. A. kill B. were killed C. killed D. are killed 12.When the team of rescuers arrived, the victims of the flood were provided ______ food and medicine. A. within B. without C. with D. of 13. - There will be a storm in our city. - __________________________ A. It must be an exciting and fascinating experience. B. So let's go to the beach to enjoy it. C. Safety measures should be done as soon as possible. D. I really love it.

I. Read the following passage and answer the questions. Hi. I’m Mary. I have lots of friends and we learn many subjects at school. In the morning, I have lessons from seven thirty to eleven. At break time, I often play badminton with my friends or chat. In the afternoon, I often read books in the library. After dinner, I watch TV and do my homework. I usually go to bed at 10. I always get up early in the morning so I never go to school late. 1. What time do Mary’s lessons finish? ->…………………………………………………………... 2. What does she often do in the afternoon? -> ………………………………………………………. 3. Does she usually go to bed at 10.30? ->……………………………… …………………………. 4. Why does she never go to school late? -> ………………………………………………………….. 5. What time do Mary’s lessons start? ->………………………………………………………………... 6. Does she often read books in the library? -> ………………………………………………………. 7. What does she often do at break time?-……………………………………………………………. ………………………………………………………………………………………………………………… 8. What does she do after dinner?->……………………………………………………………………. II. Put questions for underlined words 1. They feel tired because they are working very hard ->……………………………………………………………………………… 2. Mr Hung has a big farm near Hanoi. ->……………………………………………… 3. Maria and Tom are French. ->………………………………………………… 4. Mr Nam and Mrs Mai are working in a factory in Ha Noi ->……………………………………………………………………………… 5. We are going to spend our vacation in Da Lat for a week ->……………………………………………………………………………… 6. Chi usually goes to school in the morning.->…………………………………………… 7. They never go fishing in the winter->………………………………………………… 8. Nga likes to travel by train->………………………………………………… 9. The children are swimming in the river.->………… …………………………………… 10. That boy sometimes has lunch at 13.00 o’clock ->……………………………………………………………………………… 11. We can speak two languages->………………………………………………… 12. Peter speaks English very well->………………………………………………… III. Rewrite these sentences so that it has the same meaning as the root ones. 1. My mother is younger than my father. -> My father …............................................................... 2. Does your neighbourhood have a library? -> Is there………………………………………….? 3. Minh’s house is near the supermarket. -> Minh’s house isn’t ………………………………… 4. Unit one is more difficult than Unit two. -> Unit two is ……….……………………………… 5. My mother is shorter than my father.-> My father …............................................................... 6. Does your school have a garden? -> Is there……………………………………………….? 7. This bike is more expensive than that bike. -> That bike i…………………………………

4. hãy so sánh đặc điểm khác nhau giữa nhóm cây ưa ẩm và chịu hạn

| x + 3/4 | - 1/3 = 0 Giúp mình với ạ

1,Thống kê các bài thơ đã học (không tính các văn bản đọc thêm) Tập 1 2,Nêu khái quát về các tác giả và hoàn cảnh ra đời tác phẩm 3,Xác định thể thơ bố cục 4,Nêu khái quát giá trị nội dung va nghệ thuật

Bài 2: Tuổi nghề (năm) của một số công nhân trong một phân xưởng được ghi lại ở bảng sau đây: 5 2 5 9 7 2 5 4 5 6 5 2 2 4 8 5 6 2 10 4 7 8 2 2 1 a) Dấu hiệu ở đây là gì? b) Lập bảng "tần số" c) Rút ra một nhận xét (số các giá trị của dấu hiệu, số các giá trị khác nhau, giá trị lớn nhất, giá trị nhỏ nhất, giá trị có tần số lớn nhất, các giá trị thuộc vào khoảng nào là chủ yếu).

a.3...Z b.-4...N c.1...N d.N...Z e.{1;-2}...Z

Question 1. Choose the word whose main stressed syllable is different from that of the others. * 1 điểm A. industrial B. environment C.agriculture D. responsible uestion 5: A nuclear reactor releases ___________ which is dangerous to the environment. * 1 điểm A. radiation B. heat C. energy D.carbon dioxide Question 6: Solar energy can be changed _________________ electricity. * 1 điểm A. in B. to C. into D. for Question 7: Oil, coal and natural gas are ____________ fuels made from decayed material from animal or plants. * 1 điểm A. unleaded B. smokeless C. solid D. fossil Question 8: Human beings are ___________________ for the changes in the environment. * 1 điểm A. account B. faulty C. blame D. responsible Question 9: The speech _____________________ we listened last night was information. * 1 điểm A. to which B. for which C. to whom D. whom Question 10: _________________ aren’t effective anymore because insects have become resistant to them. * 1 điểm A. Fertilizer B. Pesticides C. Herbicides D. Composts

Hòa tan hoàn toàn 1,76 g hỗn hợp đồng và sắt trong dung dịch H2SO4 ( đặc , nóng , dư ) , thu được 8,96 (L) SO2 ( đktc , sản phẩm khử duy nhất ) a) % m mỗi kim loại trong hh= ? b) m hỗn hợp muối thu được ? c) cho hh muối thu được ở trên vào dung dịch Ba(OH)2 (dư) . Tính m = cho : CU = 64 , Fe = 56 , S=32 , H=1 , O=16 , Ba = 137

Giúp mik bài III với. Mik cảm ơn ạ