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1．設集合，，則集合且__________；

5．She gave away state secrets to the enemy.

4．He held up(＝raised)his hand to ask the teacher a question.

3．He ignored the neighbour’s requests that he should make less noise.

2．She was involved in reading all night.

5．她將國家機密泄露給了敵人。(give away)

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答案：1.He learnt how to use sign language to communicate with deaf customers.

4．他舉起手問了老師一個問題。(hold up)

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3．他無視鄰居們要他別那樣吵鬧的要求。(request)

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2．她整晚都在專心致志地讀書。(involve)

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