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Dquynh
2 năm trước
Hãy cân bằng các phương trình phản ứng sau và cho biết chúng thuộc loại phản ứng nào ? a) Fe+CuCl2--->FeCl2+Cu b) Al+H2SO4--->Al2(SO4)3+H2 c) P+O2--->P2O5 d) KClO3--->KCl+O2
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hepl me .giúp mk vs làm nhanh và chính xác ạ EX6: Rewrite the following sentences based on the given words. 1. People don’t care much about environment, so they keep making it worse. → If people ..................................................................................................................... 2. She suffered from a serious disease because of drinking contaminated water in a long time. → Since ...................................................................................... 3. The drainage system is damaged. There is not enough water for the crop. → If the drainage system ................................................. 4. “Why don’t you turn off more lights in the house to reduce your eyestrain?” → If I ....................................................... 5. The improvements of the public transport system will encourage more people to use it. → If .................................................................. EX7: Rewrite the following sentences use passive voice. 1. The brave firefighter rescued him out of the fire. → ........................................................................................... 2. The earthquake has destroyed a big number of buildings in the city. → ......................................................................................................... 3. Why didn’t they send an ambulance to US? → ............................................................................................. 4. People donated a lot of clothes, food and drinks to support the victims of the flood. → ........................................................................................................................ 5. Someone took him to the hospital for an immediate surgery. → .............................................................................................................. EX8: Complete the sentences with words/ phrases from the box. 1. The English language has approximately 400 million ………………. worldwide. 2. Despite having two different ………………., Canada has the third largest English speaking population. 3. The United States, Australia are two ………………. 4. In Vietnam, English is now still a ………………. although many Vietnamese people can speak it. 5. People usually encounter ………………. in the first time being in a foreign country. 6. The differences in cultures and languages are the primary causes for ………………. EX9: Match one word in A with another word in B to create a meaningful noun phrase. A B 1. hearing a. pollution 2. contaminated b. fire 3. air c. language 4. national d. worker 5. official e. loss 6. forest f. eruption 7. rescue g. water 8. volcanic h. anthem

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