a state of decline 退化、衰退的状态

rusty （因长期不去做而）生疏的

altogether 彻底地，全部地

waste away 逐渐衰退

counteract 对抗，抵消

keep sharp 保持（技术）熟练；保持（头脑）敏锐

augment 增强、加强

a raft of 许多，大量

non-existent 不存在的

cognitive 认知的

wizard 能手，“达人”

doom and gloom 前景悲观，一片黯淡

stimulate 促进（身体某部位的）功能

grey matter “灰质”，头脑

inevitable 不可避免的

make haste （旧式说法）快点

测验与练习 1. 阅读课文并回答问题。

1. What does ‘if you don’t use it you lose it’ mean?   

2. Why is it relatively easy to train your brain?

3. True or False: Doing lots of Sudoku puzzles makes you better at mathematics in general.

4.What types of activities are suggested by the Global Council on Brain Health to maintain brain health?

5. Which word in the article means ‘able to make you believe it is true or right’

2. 请在不参考课文的情况下完成下列练习。选择一个意思合适的单词填入句子的空格处 。

1. Before the children do any story writing, I always show them a few pictures to ______ their imaginations.

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