Arianna

V. Combine the sentences, using perfect gerunds. 1. He risked his own life to rescue the little boy. He was really admired for that. 2. She raised $20

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V. Combine the sentences, using perfect gerunds. 1. He risked his own life to rescue the little boy. He was really admired for that. 2. She raised $20,000 for wildlife protection. She was praised for that. 3. I have advised you on how to cut down your energy use. I remember that. 4. Some scientists … Đọc tiếp

Change these sentences into passive voice: 6. Nothing can change my mind. 7. No one had told me about it. 8. I don’t know her telephone number 9. My s

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Change these sentences into passive voice: 6. Nothing can change my mind. 7. No one had told me about it. 8. I don’t know her telephone number 9. My students will bring the children home. 10. They sent me a present last week. 11. She gave us more information. 12. The chief engineer was instructing … Đọc tiếp

Giả sử một quần xã có các sinh vật sau: Cỏ, thỏ, dê, chim ăn sâu, sâu hại thực vật, cáo, hổ, mèo rừng, vi sinh vật. Hãy vẽ sơ đồ chuỗi thức ăn và lưới

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Giả sử một quần xã có các sinh vật sau: Cỏ, thỏ, dê, chim ăn sâu, sâu hại thực vật, cáo, hổ, mèo rừng, vi sinh vật. Hãy vẽ sơ đồ chuỗi thức ăn và lưới thức ăn có thể có trong quần xã đó. P/s: Mong cả đồng bào giúp cho mình cái tấm … Đọc tiếp