【多选题】以下说法符合采煤专业安全生产标准化的是( )。
A.
倾角大于25º时,要有防止煤(矸)窜出伤人的措施
C.
下运式带式输送机装设软制动装置和防超速保护装置
【单选题】– _______________. –I love that one, too. It was painted by a young Brazilian artist.
A.
What a wonderful painting!
B.
What is the painting about?
C.
This painting is a gift for your birthday.
【简答题】She is too shy to sing in p______.
【单选题】实验室存放化学品冰箱应该正确使用,以下哪种做法不正确?