Plastic Recycling Symbols， marked as ( ) has a high melting point of 167 ºC, and so is often chosen for water cans, garbage cans, baskets, food containers for microwave ovens and so on.
举一反三
- Plastic Recycling Symbols， marked as ( ) has a high melting point of 167 ºC, and so is often chosen for water cans, garbage cans, baskets, food containers for microwave ovens and so on. A: #3 B: #5 C: #7 D: #1
- There are four kinds of trash cans on board, which are red, green, blue and black. Among them, the green one is used to collect_____. A: domestic garbage B: plastic waste C: operation waste D: food waste
- Which of the followings can not help to save energy? A: recycling cans B: turning off lights C: driving a car
- Most of the rubbish we throw away can be recycled, such as glass bottles and jars, steel and aluminum cans, plastic bottles and waste paper.
- Culture is like an iceberg. Only a small part of culture is visible. For instance, food, dress, paintings are all apparent to eyes. But a great part of culture is hidden under the water, such as _____, _____, ______ and so on.