导航:题目详情 | 答案解析 | 相关问题 | 最新问题 They took ____________ measures to prevent poisonous gases from escaping.A efficientB 继续教育 2018-03-24 14:29:03 专四 已帮助 人 They took ____________ measures to prevent poisonous gases from escaping.A、efficientB、beneficialC、validD、effective 热搜:关于氨基酸代谢错误的论述是_________。 答案解析 难度★★☆ 搜索 参考答案:D 相关问题 1、Two keen minds that they are they took______each other.A.afterB.offC.toD.out 2017-09-07 2、The two professors of English literature took their flights because they were______.A.eage 2017-10-16 3、When the parents were at work they ________ to look after the baby.A. took turnsB. won 2018-05-04 4、When they were 20 miles from Brunswick the young people took _____ window seats on 2018-06-06 5、I took _____ that they would apologize for what they had done to the picture .A.it se 2018-06-20 6、They took ________ measures to prevent poisonous 2018-07-24