1．(2018·浙江卷)The ability to design, build and export green technologies for producing clean water, clean air and healthy and abundant food is going to be the ________(current) of power in the new century.
[答案] currency
2．(2018·北京卷)Jennifer DeBruyn, a microbiologist at the University of Tennessee, who was not involved in the study, says it is not surprising that such worms can break ________ polyethylene.
[答案] down
3．(2018·全国卷Ⅲ)While famous foreign ________(architecture) are invited to lead the designs of landmark buildings in China such as the new CCTV tower and the National Center for the Performing Arts.
[答案] architects
4．Cathy didn't expect any award but was still there to cheer on her friends and praise their ________(accomplish)．
[答案] accomplishments
