Cho 13g kẽm tác dụng với dung dịch loãng có chứa 24,5g axitsunfuric a) Chất nào dư, dư bao nhiêu b) Cho khí sinh ra đi qua bột đồng(II)oxit đun nóng. Tính khối lượng đồng thu được

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• Complete the sentence with the correct form of the word in parentheses. 1. We had a four-day vacation in that coastal town. _____________________, it rained hard almost every day. (fortunate) 2. You can get all__________________ you need on the internet. (inform) 3. That region in the North of the country is very_____________________. (mountain) 4. “Does the price of the holiday include___________________?” I asked the tourist officer. (accommodate) 5. I was amazed by the___________________ of the scenery. (magnificent) 6. The hotel is located in the________________ district of the city. (center) 7. My hobbies ae traveling and _____________________. (photo) 8. He was ____________________ in having some good friend to help him. (fortune) 9. The new hotel can _________________ 600 guests at a time. (accommodation) 10. The table was placed____________________ with six nice chairs around. (center) 11. I think you are very__________________. You look very nice in these photos. (photo) 12. This dictionary is a little too expensive for me, but it is extremely______________. (inform) 13. There are ten______________ from Ha Noi to Ho Chi Minh City every day. (fly) 14. The _______________ institute in Nha Trang was built many years ago. (ocean) 15. His _________________ was quite unexpected. (depart) 16. Those people live in the _______________________ area. (mountain) 17. These regions have many ____________________ landscapes. (picture) 18. Stay with us until you can find your own ___________________. (accommodate) 19. My friend phoned to tell me the time of his _________________ in Ha Noi. (arrive) 20. Lan’s sister is a ___________________. She owns a flower shop in town. (flower)

11. The south-central coast can _______ thunderstorms. A. be B. expect C. predict D. guess 12. HCM City will ________ temperatures between 28 ºC and 34 ºC. A. experience B. arrive C. reach D. occur 13. I don't expect much traffic, but ________ there is, I think we should leave early. A. in case B. in case of C. in time D. in a hurry 14. Although Thuy’s grandmother doesn’t _____ weather forecasts, she likes watching them. A. experience B. trust C. expect D. predict 15. An area of land that has hills or mountains is called _______. A. region B. territories C. highland D. environment 16. She was having a rest when the volcano _______ . A. erupted B. flew C. flowed D. broke 17. Tidal waves are the result of an _______ shift in the underwater movement of the Earth . A. amazing B. alternative C. abrupt D. unpleasant 18.________ are funnel-shaped storms passing overland below a thunderstorm. A. Earthquakes B. Tropical storms C. Hurricanes D. Tornadoes 19. Thousands of people were saved because scientists had__ them about the volcanic eruption. A. said B. warned C. spoke D. talked 20. A violent tropical storm in which strong winds move in a circle. A. cyclone B. typhoon C. hurricane D. tornado 21. Ninety percent of earthquakes occur _______ the Pacific Rim. A. around B. at C. in D. about 22. A ____ is an extremely large wave in the sea caused, for example, by an earthquake. A. tidal wave B. tsunami C. tornado D. A and B are correct. 23. A / An __________ is a sudden, violent shaking of the earth’s surface. A. snowstorm B. tidal wave C. earthquake D. volcano. 24. A _______ is a violent tropical storm with very strong winds. A. volcano B. tornado C. typhoon D. tsunami 25. A tropical storm which reaches 120 kilometers an hour is called a _______ in North and South America. A. hurricane B. cyclone C. typhoon D. tornado