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1·Caitlin's parents opted to educate her intensively at home.

凯特林的父母选择在家对她进行强化教育。《柯林斯英汉双解大词典》

2·They opted to put an executive committee in charge of the project rather than a single person.

他们选择由一个执行委员会而非个人来负责这个项目。《柯林斯英汉双解大词典》

3·He opted to go to Naples.

他选择去那不勒斯。

4·When the mice were well-fed but thirsty, they opted to drink, according to the study.

研究表明，当老鼠吃得很饱但口渴时，它们会选择喝水。

5·When the mice were hungry, they opted to leave the company of other mice to go get food.

当老鼠饿了的时候，它们选择离开同伴去寻找食物。

6·In 2011, many shoppers opted to avoid the frenetic crowds and do their holiday shopping from the comfort of their computer.

2011年，许多购物者选择避开狂热的人群，舒舒服服地在电脑上进行假日购物。

7·Voters opted by a whisker for Mr. Dayton, who had promised to balance the books in part by raising taxes on the richest 10% of Minnesotans.

选民们以微弱优势选择了戴顿先生。戴顿曾承诺提高10%的最富有的明尼苏达人的税收，从而在一定程度上实现收支平衡。

8·Others opted to lie, and they showed increased activity in their frontal parietal control network, which is involved in difficult or complex thinking.

其他人选择撒谎，而他们的额顶叶控制网络的活动增加了；这部分大脑与困难或复杂的思考有关。

9·From this, it has opted to focus on life science and medical research, and recently called for proposals for experiments on muscle wasting, osteoporosis and the immune system.

基于此，它选择将重点放在生命科学和医学研究上，并在最近呼吁提出有关肌肉萎缩、骨质疏松症和免疫系统的实验提案。

10·She was co-opted onto the board.

她获增选为董事会成员。《牛津词典》

(1)opt for选择

(1)opt out决定退出；插播；请求免除

(1)opt out of决定不参加...；决定（从...）退出

(1)opt in选择参加