user-avatar
occho
2 năm trước
a) 274 + X = 45 203 X + 987 = 1024 12 756 + X = 47 005 X + 39 786 = 509 764 b) X - 756 = 215 X - 25 734 = 475 29 450 - X = 15 429 175 347 - X = 25 738
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

IV. Choose the correct sentence from the four options a, b, c or d 34 How/ lives/ people/ in/ their/ many/ the/ lost/ flood? a. How many people lost their flood in the lives? b. How people lost their many lives in the flood? c. How many flood lost their lives in the people? d. How many people lost their lives in the flood? 35 What/ to/ should/ help/ we/ homeless/ do/ people? a. What should we help to do homeless people? b. What should we do to help homeless people? c. What we should do to help homeless people? d. What we should help to do homeless people? 36 Have/ rescue/ the/ been/ stricken/ workers/ to/ area/ sent? a. Have been rescue workers sent to the stricken area? b. Have rescue workers sent been to the stricken area? c. Have rescue workers been sent to the stricken area? d. Have rescue workers been to sent the stricken area? 37 We/ to/ called/ take/ ambulance/ to/ the/ the/ injured/ hospital/ the. a. We called the ambulance to take the injured to the hospital. b. We called the ambulance take to the injured to the hospital. c. We called the ambulance to take injured the to the hospital. d. We called the ambulance take to injured the to the hospital. 38 Because the storm is getting bad, you shouldn’t go out a. The storm is getting bad, so you shouldn’t go out. b. The storm is getting bad, but you shouldn’t go out. c. The storm is getting bad, for you shouldn’t go out. d. The storm is getting bad, or you shouldn’t go out 39 The weather forecast is sometimes unreliable. a. Sometimes we can count on the weather forecast. b. Sometimes we can spend on the weather forecast. c. Sometimes we can’t count on the weather forecast. d. Sometimes we can’t spend on the weather forecast. 40 Many countries are not able to deal with natural disasters. a. Many countries can’t possibly deal with natural disasters. b. Many countries are to deal with natural disasters. c. Many countries will deal with natural disasters. d. Many countries could not deal with natural disasters. 41 We are raising money to help people in the flooded area a. We are raising money so that we can help people in the flooded area b. We are raising such money to help people in the flooded area c. We are raising enough money to help people in the flooded area d. We are raising money in order not to help people in the flooded area 42 If that man hadn’t burnt rubbish in the forest, there would not have been a forest fire. a. There was a forest fire because that man burnt rubbish in the forest. b. There was no forest fire although that man burnt rubbish in the forest. c. There may be a forest fire if that man burnt rubbish in the forest. d. There was a forest fire due to that man burnt rubbish in the forest. V. Choose the word or phrase (A, B, c or D) that best fits the blank space in the following passage? Water Pollution in India Contamination of water from any external source that makes it (41) .......... to life is known as water pollution. (42) .......... the fast industrial development and modem civilization, the problem of water pollution is (43) .......... day by day. The (44) .......... sources of water pollution are domestic wastes, agricultural wastes, sewage disposal, industrial wastes, radioactive wastes and oil leakages. All the Indian rivers. including the holy river Ganga, have become highly polluted today. However, the Ganga Action Plan to control its water from pollution has not been proved (45) .......... . The (46) .......... of water pollution is widespread. It causes many severe water- borne diseases. According to WHO, 21 per cent of all (47) .......... diseases in India are water-borne diseases. Oil is the main pollutant of the sea water. Huge tankers often dump oil into the sea. This act of dumping (48) .......... kills sea plants and animals. 43a. harm b. harmful c. harmless d. unharmed 44a. At b. Of c. In d. With 45a. increase b. increasing c. increased d. to increase 46a. most b. more c. major d. hard 47a. success b. successful c. unsuccessful d. succeeded 48a. effect b. effects c. affect d. affects 49a. communicate b. communicative c. communicable d. communication 50a. poisons b. poisonous c. poisoning d. poisoned

I. Choose the word whose main stress pattern is not the same as that of the others. 1 a. hurricane b. tornado c. volcano d. eruption 2 a. terrific b. arabic c. statistic d. cosmetic 3 a. referee b. guarantee c. Japanese d. jubilee 4 a. classical b. electronic c. logical d. politic 5 a. nationality b. mobility c. equality d. majority II. Choose the word or phrase (a, b, c or d) that best fits the blank space in each sentence. 6 We ............ from different kinds of pollution: water air, soil and noise now. a. is suffering b. suffer c. are suffering d. had suffered 7 The babies ............ when Alice came. a. has slept b. have slept c. is sleeping d. were sleeping 8 America ............ Thanksgiving Day on the fourth Thursday of November since 1864 a. celebrates b. has celebrated c. is celebrating d. celebrated 9 The fish died massively because the water is ............ . a. damaged b. hotter c. contaminated d. poison 10 A natural disaster can cause loss of life or ............ damage. a. property b. house c. home d. money 11 ............ are severe winter storms characterized by heavy snow and strong winds. a. Droughts b. Blizzards c. Hailstorms d. Volcanic eruptions 12 The ............ can be controlled by the stoppage of leakage from the radioactive materials including the nuclear reactors, industries and laboratories. a. light pollution b. visual pollution c. air pollution d. radioactive pollution 13 English is ............ of Australia and Singapore. a. native language b. second language c. official language d. both A and C 14 Australia has the biggest ............ in the world a. natural beauty b. puzzling games c. cattle station d. tallest building 15 ............ could possibly be avoided by better construction, safety systems, early warning and planning. a. Earthquakes b. mudslide c. droughts d. forest fire 16 She is good ............ meteorology . a. on b. in c. at d. for 17 Last night volcano Maui ............ and the large areas of land were affected a. erupts b. erupted c. erupting d. erupt 18 When a volcanic eruption occurs, the hot ............ pours downhill. a. ash b. smoke c. dirt d. lava 19 Since there are two villages located at the foot of the volcano, the local population was ............ . a. evacuated b. kille c. died d. injured 20 The earthquake ............ have been sent humanitarian aid by many countries. a. victims b. elders c. rescuers d. soldiers 21 When there is a plane crash, a lot of ............ is left. a. dust b. debris c. waste d. piece 22 A powerful ............ off the coast of Indonesia sparked a three-metre-high and killed at least 113 people. a. earthquake b. tornado c. tsunami d. landslide 23 A ............ often occurs in the mountainous areas because many trees have been cut down. a. forest fire b. flood c. tornado d. landslide 24 ............ often happen in rainy season especially in the center of Vietnam. a. droughts b. storms c. floods d. sandstorms 25 Deforestation leads to ............ which can be defined as the changes in the average temperature. a. flood b. climate change c. sandstorm d. erosion

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team