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thomtuanmy1
2 năm trước
Khi dùng búa đóng đinh búa sẽ tác dụng lực lên đinh và sinh công khiến đinh cắm vào trong gỗ . Động năng của búa khi đến chạm vào đinh càng lớn , đinh càng dễ di chuyển vào trong gỗ. Em hãy cho biết động năng của búa khi đến chạm vào đinh phụ thuộc những đại lượng nào ?
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II. Complete the sentences with the correct tense or form of the verbs in the box. bury collapse erupt put out evacuate shake scatter rage strike rescue 1. Scientists believe the volcano may_________ any day now. 2. The storm _________ outside while we were partying inside. 3. Firefighters are still trying_________ wildfires that have already burned more than 1.6 million acres of tropical forest. 4. The magnitude 6.7 earthquake_________ Japan’s Hokkaido island in September, 2018. 5. Three houses_________ in a landslide that took place this morning. 6. 8,000 people had to be from their homes as floodwaters flowed through the main streets. 7. Most deaths occur during an earthquake when buildings_________. 8. The well-trained team_________ everyone after the avalanche. 9. Right now, the building_________ so violently I can’t even stand up. 10. The town experienced flooding while strong winds_________ debris across the streets. III. Use the correct form of the words in brackets. 1. Earthquakes cause the ground to move and shake_________. (violent) 2. Rescue experts can identify_________ victims with modern methods. (bury) 3. Mount Mayon volcano caused a major_________ in the Philippines. (erupt) 4. Volcanic tremor is the rhythmic ground_________. (shake) 5. Despite all the modern technology available to us, we’re still_____ against earthquakes. (help) 6. The remove of_________ debris can be rapidly finished by machines. (scatter) 7. Indonesia orders immediate_________ as highest alert issued for Bali volcano. (evacuate) 8. We assisted them with the_________ of food and clothing. (provide) 9. Linda was the most_________ typhoon to ever hit Southern Vietnam. (destroy) 10. Medical_________ were sent to the earthquake victims yesterday. (supply)

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