— Do you mind if I keep pets in this building? — _______ .A. I'd rather you didn't, actually. B. Of course not, it's not allowed here.C. Never mind
写出下列反应的化学方程式，并在括号内注明基本反应类型： （1）硫在氧气里燃烧： ，（
初次分配和再分配是解决收入分配问题的“两个轮子”。一般来说，在初次分配拉开的收入差距，需要通过再分配予以“调节”或“收敛”。下列措施
金属材料在现代生活和工业生产中应用极为普遍。 （1）铝是一种活泼金属，但常温下铝却有较强的抗腐蚀性，其原因是 ▲ ；铝元素
—位学生要用托盘天平称量2.5g药品，在称量中发现指针向左偏转。这时他应该 A．减少药品 B．向右盘中加砝码 C．移动游码 D
下列物质的性质中，可证明某晶体是离子晶体的是( ) A．易溶于水 B．晶体不导电，熔化时能导电 C．熔点较高 D．晶体不导电，水溶液能导电
When I was 8 years old, I once decided to run away from home. With my suitcase 36 and some sandwiches in a bag, I started for the front door and said to Mom, “I’m leaving.” “If you w
A man and his wife had a dog to keep their house. When they went out, they always left the dog inside the house. One evening they wanted 1 to the cinema, 2 they left the
