注意:此页面搜索的是所有试题
题目内容
(石家庄铁道大学大学英语1)
They took______measures to prevent poisonous gases from escaping in the chemical plant.
A、 fruitful
B、 beneficial
C、 effective
D、 influential
A、 fruitful
B、 beneficial
C、 effective
D、 influential
参考答案