选择题：They took______measures to prevent poisonous gases

题目内容：

They took______measures to prevent poisonous gases from escaping in the chemical plant.
A、 fruitful
B、 beneficial
C、 effective
D、 influential

参考答案：

Leaves are found on all kinds of trees, but they d

Leaves are found on all kinds of trees, but they differ greatly ________ size an

分类：石家庄铁道大学-大学英语3 题型：选择题

应用图乘法求杆件结构的位移时，各图乘的杆段必须满足如下三个条件（a）＿＿＿＿＿＿＿；（b）＿＿＿＿＿＿＿；（c）＿＿＿＿＿＿＿＿＿＿＿＿＿＿

分类：石家庄铁道大学-大学英语3 题型：选择题

分类：石家庄铁道大学-大学英语3 题型：选择题

终凝后，强度随时间不断增长，并形成坚硬的水泥石，称为A、水泥的初凝B、水泥的终凝C、水泥的硬化D、水泥的凝结

分类：石家庄铁道大学-大学英语3 题型：选择题

He is very popular with his schoolmates and feels ________ to win the election.A

分类：石家庄铁道大学-大学英语3 题型：选择题