They took ______ measures to prevent poisonous gases from escaping.

admin2018-11-11  29

问题 They took ______ measures to prevent poisonous gases from escaping.

选项 A、fruitful
B、beneficial
C、valuable
D、effective

答案D

解析 句意:他们采取了有效措施防止毒气泄漏。fruitful硕果累累的,成功的;beneficial对……有益的,有利的;valuable有价值的;effective有效的,产生效果的。
转载请注明原文地址:https://jikaoti.com/ti/tvUGFFFM
本试题收录于: 英语题库成考专升本分类
0

最新回复(0)