添加剂送入装置存放有哪些注意事项?
参考答案:
根据各种添加剂的质量要求,化验其关键质量指标合格后,方能使用,严禁水份混入,粉碎和加入固体剂时需防杂质混入。
阅读下面的短文,然后根据汉语或英语首字母提示写出所缺英语单词的正确形式。
I had a very unusual experience on (1)_____ 星期天. At around ten o'clock in the morning, I was walking
down the street when a UFO landed in (2)f_____ of me. You can imagine how (6)_____ 奇怪的 it was! An
alien got out and walked down the Center Street. I (4)_____ 跟随 it to see where it was going, and I was very
surprised when it went into a souvenir shop. While it was looking at the souvenirs, the assistant called the
(5)p_____.
《为切实保存前代文物古迹致各省民政长训令》是在下面哪一政府内部颁布的()
A.民国政府
B.清政府
C.北洋政府
D.苏维埃政府