【题目】The local authority is trying to __________ oversea investment by beautifying its environment．
A.value
B.encourage
C.introduce
D.affect

【答案】B
【解析】根据句意：当地政府正试图通过美化环境来鼓励海外投资。value“估价”;encourage“鼓励”;introduce“介绍，引进”;affect “影响”。根据句意，B项正确。