()、()有毒介质泄漏,造成5万人以上15万人以下转移的属于特别重大事故,特别重大事故由国务院或者国务院授权有关部门组织事故调查组进行调查。
参考答案:压力容器;压力管道
White the right forms of the word. 写出下列单词的正确形式。
1.strawberry (复数形式) 2.swim (加-ing形式)
3.health (形容词) 4.cold (反义词)
5.18 (英语形式)
— When will the expert come and give the lecture on economic development?
— Not until our program ____ by the authorities.[ ]
A. approves
B. is to approve
C. has been approved
D. will be approved