Plastic is now made from __________.
Đáp án đúng là: C. oil, coal and natural gas
Giải thích:
Nhựa (plastic) ngày nay chủ yếu được sản xuất từ dầu mỏ (oil), than đá (coal) và khí tự nhiên (natural gas). Đây là các nguyên liệu hóa thạch quan trọng.
Các câu hỏi liên quan
- They ________ tea with cold water.
- Teachers can use some___________ to get students more interested in the lessons.
- Our demand for water is constantly increasing. Every year there are more and more people in the world. Factories produce more and more products and need more and more water. We live in a world of water. But almost all of it – about 97% – is ___(1)___ the oceans. This water is too salty to be used for drinking, farming, and ___(2)___. Only about 3% of the world’s water is fresh. Most of this water is not easily available to man because it is locked in glaciers and ice. There is as much water on earth today as there ever was or will ever be. Water ___(3)___is used and reused over again is never used up. Although the world has plenty of ___(4)___ water, some regions have a water shortage. Rain does not fall evenly over the earth. Some regions are always too dry, and others too wet. A region may suddenly have a serious ___(5)___ and another region may have flood with too much rain.
- Các tỉnh nào sau đây ở vùng Trung du và miền núi Bắc Bộ không có đường biên giới trên đất liền với Trung Quốc?
- Rừng ở Liên bang Nga chủ yếu là rừng lá kim vì đại bộ phận lãnh thổ