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1·Buchanan has never held elective office.

布坎南从未担任过选任职位。《柯林斯英汉双解大词典》

2·Most of the students of our class take Japanese as an elective course.

我们班大部分同学选修日语。《新英汉大辞典》

3·To learn more about Chinese culture, Jack has decided to take Chinese folk music as an elective course.

为了更多地了解中国文化，杰克决定选修中国民间音乐。

4·It used to be that the second semester of International Banking was an elective, but now it says it's a required class.

以前，第二学期的国际银行学是选修课，但现在它变成了必修课。

5·As for the advantages, elective courses should be open.

出于这些优势，选修课是应该要开的。

6·Though aging is not elective, cosmetic procedures should be.

虽然衰老是不可选择的，但整容手术却是可选择的。

7·Besides the required courses, I'm taking an elective in the Lab Science.

除必修科目外，选修科目我选了实验科学。

8·These surgeries range from lifesaving operations to elective procedures.

这些手术类型的范围从救命的到普通可以选择的。

9·A preference for boys in India and elsewhere leads to elective abortion of female fetuses.

在印度和其他地方，重男轻女的人们通常选择性堕胎剥夺女性胎儿的生存权。

10·The number of Black women in elective office has increased from 131 in 1970 to 1,950 in 1990.

1990年， 在有选举产生的职位上，黑人妇女的数量从1970年的131人增至1990年的1950人。

(1)elective course选修课

(1)an elective course选修科目

(1)elective systemn. 选课制度，选修制

(1)elective subjects选修科目（elective subject的复数）

(1)elective surgery选择性外科手术；非急需施行的手术