A current focus is on the utilization of these technologies for environmentally

游客2023-12-25 83

问题 A current focus is on the utilization of these technologies for environmentally benign gas and oil well operations.

选项 A、harmless
B、mild
C、renewable
D、compressed

答案 A

解析词义辨析。注意副词和形容词的搭配。根据对环境有重要意义的，排除B、D选项。如果替换部分前没有副词，C选项也可以讲得通。

转载请注明原文地址:http://tihaiku.com/zcyy/3304050.html

相关试题推荐

随机试题

最新回复(0)

Biofuelisneitheracurenorapariah,butlikealltechnologies,itrepresents