问题
选择题
The workers insist that the company should take measures to improve their working condition.
A．attractive
B．effective
C．impressive
D．conservative
答案
答案：B
题目分析：A. attractive有吸引力的，B. effective有效的，C. impressive给人印象深刻的，D. conservative保守的，句意：工人们坚持这个公司应该采取有效的措施来改善他们的工作状况。选B。