Vì sao Của,PbS,FeS đều không tan trong nước nhưng không điều chế được FeS bằng cách sục khí H2S với dung dịch muối sắt II sunfua

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I.Circle the best answer (A, B, C or D) to complete these sentences. 1. Walking to school will help ……………… air pollution. A. reduce B. reuse C. recycle D. refill 2. My sister ……………… home for school yet. A. didn’t leave B. hasn’t left C. don’t leave D. isn’t leaving 3. Amsterdam is one of the ……………… cities in the world. A. peacefulest B. peacefuler C. most peaceful D. more peaceful 4. ………………the film is late, I will wait to watch it. A. Because B. When C. But D. Although 5. My father first ……………… Da Lat in 2010. A. visited B. went C. go D. been 6. If the weather……………… good, I ………………. camping with classmates. A. is/ will go B. is/ go C. will be/ go D. will be/ will go 7. Which one is different? A. boxing B. cycling C. telling D. skiiing 8. Find the word which has a different sound in the part underlined. A. brother B. these C. thought D. clothes *Choose A;B;C orD that has a different sound from the others in the part underlined 9. A. cycling B. really C. ready D. baby 10. A. natural B. arrive C. plastic D. bath * Find and circle the mistake in the sentence below (Tìm và khoanh tròn lỗi sai) 11. If Tran will have a lot of money, she will buy a new electric bike. A B C D 12. The wireless TV can help me surf the internet and contact friends by the world. A B C D II. Reading (2.5 ms) A. Choose the correct answer A, B, C or D to complete the passage. (1.0 m) People need to breathe. If they don’t breathe, they (1) ____________ die. But how clean is the air people breathe? If they breathe (2) ___________ air, they will have breathing problems. Plants and animals need (3) __________ air too. A lot of the things in our lives create harmful gases and (4) _________the air dirty, like cars, motorbikes, and factories. Dirty air is called (5) …………. air. Air pollution can also make our Earth warmer. 1. A. won’t B. are C. must D. will 2. A. clean B. fresh C. dirty D. cleaner 3. A. clean B. safe C. dirty D. polluted 4. A. make B. get C. give D. made 5. A. pollution B. pollute C. unpolluting D. polluted B. Read the following passage and answer the questions. (1.0m) There are two main kinds of sports: team sports and individual sports. Team sports are such sports as baseball, basketball and volleyball. Team sports require two separate teams. The teams play against each other. They compete against each other because they want to get the best score. For example, in a football game, if team A scores 4 goals and team B scores 3 goals, team A wins the game. Team sports are sometimes called competitive sports. 1. Are there three main kinds of sports? -> …………………………………………………………………………………….. 2. How many teams do team sports require? -> …………………………………………………………………………………….. 3. Why do two separate teams compete against each other? -> …………………………………………………………………………………….. 4. Are team sports sometimes called competitive sports? -> …………………………………………………………………………………….. 5. What type of sports do you like most? -> …………………………………………………………………………………….. III. Rewrite these sentences as directed in the brackets. (1.0m) 1. I had a bad cold, so I didn’t go to school yesterday. (Rewrite this sentence with “because”) -> …………………………………………………………………………………….. 2. We make the air dirty because we use the car all the time. (Rewrite this sentence with “If”) -> …………………………………………………………………………………….. 3. most/ London/ tea/ is/ popular/ the/ drink/ in. (Rearrange the words to make a sentence) -> …………………………………………………………………………………….. Hỡi những con người giỏi Anh giúp mik nhá Hứa vote 5*