题目内容：

阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

Researchers at the Canadian Institute for Advanced Research show how the interaction (交互) between remembering and forgetting in the brain 1. (allow) us to make more intelligent decisions 2. (base) on memory. They published a new review paper in the journal Neuron.

Forgetting makes us smart by working with memorizing 3. the following ways, the researchers say. First, letting go of outdated information lets us adapt to new situations. By forgetting the old and potentially misleading information, we can adapt to new environments 4. (easy). Second, forgetting also makes decision- making simple. We just remember the important information which makes it easy for us 5. (make) wise decisions.

What and how much we remember can 6. (decide) by our environments, For example, a lawyer or a designer with a set of clients will likely remember 7. (they) names for a longer period of time, A cashier who has a changing sea of 8. (customer) every day will only remember names for a short amount of time.

The researchers point out that the motto is true: If you don’t use it, you lose it. But as 9. review paper shows, it can be a good thing. Clearing out the information you don’t need can help make room for the important things, 10. can make you become more intelligent.