A-A+
Research has produced many new _______ that wi
问题详情
Research has produced many new _______ that will be used in the manufacture of a variety of goods.
A．hypotheses
B．summaries
C．synthetics
D．emphases请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：C
解析：A．hypotheses假说，臆测；B．summaries概要，总结；C.synthetics合成物，人造物；D．emphases强调，重点。根据句意应选C。句意为：通过研究生产了很多新的合成物质，它们用来制造各种各样的商品。
