题目内容

Surgeons have successfully (transplanted) a liver into a four-year-old boy.

A. 转移
B. 移植
C. 改变
D. 交通

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He (vanished) without trace .

A. 用货车装
B. 运输
C. 润滑
D. 消失

I had a sore throat and it hurt to (swallow).

A. 空的
B. 下雪
C. 吞咽
D. 深渊

They have no way to (dispose of) the hazardous waste they produce

A. 处置
B. 暴露
C. 反对
D. 摆姿势

The area now attracts over 60 species of (breeding) birds.

A. 喂食
B. 繁殖
C. 流血
D. 贪婪

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