问题
填空题
氧气瓶应按《气瓶安全监察规程》进行水压试验，过期未经水压试验或试验不合格者（）。在接收氧气瓶时，应（）印在瓶上的试验日期及试验机构的鉴定。
答案
参考答案：不准使用；检查
搜题请搜索小程序“爱下问搜题”
氧气瓶应按《气瓶安全监察规程》进行水压试验，过期未经水压试验或试验不合格者（）。在接收氧气瓶时，应（）印在瓶上的试验日期及试验机构的鉴定。
参考答案：不准使用；检查
The world’s population was about 6.5 billion in 2008. ___46___ three billion people ___47___ Asia now. That’s about half of the world’s population. China has the ___48___ population in the world, and about one fifth of the people in the world live in China. ___49___ the large population, there is ___50___ living space for each family. And it’s difficult for lots of people to find jobs. A large population also causes many ___51___ for ___52___ nation. For example, we are short ___53___ energy and water. Most cities are more ___54___ than before, and the traffic is much ___55___. The large population ___56___ a serious problem. So far, our government has taken many measures to control the population. One is know ___57___ the one-child policy. It has worked ___58___ in controlling China’s population. Thanks to the policy, China is developing ___59___ and people’s living conditions are improving rapidly. However, the population problem is ___60___ serious in China. We still have a long way to go.
|