Question

4. In spite of the extraordinary progress made in science and technology,problems remain in terms of        that achievements benefit the greatest number of people.

   A. reflecting   B. monitoring

   C. guaranteeing   D. approving

Answer 1

4. C句意为："尽管科学技术取得了非凡的进步,但是在保证进步成果使尽可能多的人受益这方面还存在一些问题。"guarantee意为"保证,确保"，符合题意。