听下面一段独白，回答以下小题。
1. What causes popcorn kernels to turn into fluffy popcorn?
2. What happens to the water inside a popcorn kernel when it’s heated?
3. What is the outcome of the pressure created inside a popcorn kernel?
4. What is the comparison made in the speech regarding popping popcorn?
5. What is the main idea behind the explanation of popcorn popping?
6. What happens to the popcorn kernel as a result of the pressure build-up?
7. What term is used to describe the transformation of a popcorn kernel into fluffy popcorn?
1. What causes popcorn kernels to turn into fluffy popcorn?
| A．Mixing with butter |
| B．Heat and pressure |
| C．Freezing |
| A．It evaporates |
| B．It turns into steam |
| C．It freezes |
| A．It shrinks |
| B．It explodes |
| C．It becomes soft |
| A．A mini-explosion of science |
| B．A burst of flavor |
| C．A magic trick |
| A．Mixing ingredients |
| B．Heat and pressure causing explosion |
| C．Freezing the kernels |
| A．It deflates |
| B．It turns into a liquid |
| C．It bursts open |
| A．Popping |
| B．Melting |
| C．Dissolving |
更新时间：2024-03-13 21:30:51
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【知识点】 食物与饮料
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