16. Australia is home to ..................... animals like kangaroos and koalas. A. only B. rare C. unique D. precious 17. If you were the president, what ..................... you do to help the environment? A. will B. did C. would D. do 18. The Maori in New Zealand greet each other by ........................ their noses. A. touching B. punching C. blowing D. rubbing 19. The village’s drinking water ........................ with poisonous chemicals since the factory came into operation. A. contaminates B. is contaminated C. has contaminated D. has been contaminated 20. When the policeman came to the scene, the driver of the car ........................ A. have left B. had left C. leaves D. was left 21. All people who were without homes in the flood were provided with ..................... accommodation. A. short B. temporary C. present D. instant 22. I believe that our new manager has the ............ to work well in this business environment. A. inflexible B. flexibly C. flexibility D. flexible 23. If the factory .................. dumping poison into the lake, all the fish and other aquatic animals will die. A. continues B. continued C. will continue D. continue 24. You will recognize Jenny when you see her. She .................... a red hat. A. wears B. is wearing C. will wear D. will be wearing 25. The farmer rides the buffalo-........................ carts loaded full of rice home. A. draw B. drawing C. drew D. drawn 26. Little Pascal .................. a mechanical calculator which could do additions or subtractions very quickly. A. discovered B. found C. found out D. invented 27. Robots save workers from .................. dangerous tasks. A. making B. having C. performing D. carrying 28. Many people believe that robots have made workers jobless .................. that is not necessarily true. A. but B. and C. so D. or 29. Recent ............... developments have made robots more user-friendly and intelligent. A. science B. scientist C. scientific D. scientifically 30. Teenagers spend most of their time playing computer games, ............... they lost their interests in daily activities. A. moreover B. so C. however D. as a result 31. Science and technology have .................. the life safe, secure and comfortable. A. transformed B. made C. done D. changed 32. The teacher .................... me that I had better devote more time to science subjects such as physics, chemistry, and biology. A. said B. talked C. spoke D. told 33. Science is used in all corners of the world for the .................... of people. A. interest B. need C. profits D. benefit 34. If you .................... something, you should patent it as quickly as possible. A. invented B. will invent C. have invented D. are inventing 35. Sciences and technology have enormous ............................ on economic development. A. affects B. effects C. affect D. effect

Tại sao trong thì hiện tại tiếp diễn thì không được chia "is seeming"?

Làm ơn bạn này cute hột me làm hộ mình câu này đi. Bất lực lắm rồi. Mình sẽ cảm ơn thật nhiềuuuu

Phân tích các biện pháp nghệ thuật có trong đoạn thơ sau Một ngôi sao chẳng sáng đêm Một thân lúa chín, chẳng nên mùa vàng Một người - đâu phải nhân gian Sống chăng, một đốm lửa tàn mà thôi!

Công thức của gốc: $CH_3COO, SiO_3$

Chừng minh rằng: B = $\frac{1}{41}$ + $\frac{1}{42}$+.........+ $\frac{1}{49}$+ $\frac{1}{50}$ > $\frac{1}{5}$

Vẽ 1 hệ thống gồm các loại máy cơ đơn giản CHÚ Ý: chỉ trong 1 hình (hệ thống) HELP ME

What a short paragraph about what we should do to save energy.4 câu dùng từ dễ hiểu.

lm giúp mik với mik sẽ vote 5 *

Hộ mik câu 2 hoặc câu 3 vs ah ! Mk đang cần gấp !!