【简答题】John is an ice-cream taster (also called a food scientist). He ______ ice cream and ____paid to do it! The average yearly salary for this job is 56,000 dollars.
【单选题】听力原文:P Youve probably all seen Hollywood movies or performances at a marine park where humans seem to be talking to dolphins. And youve seen them nod their heads and shake their tails when the trainer...