“三个不忘”指的是
参考答案:
不忘党的恩情、不忘祖国的温暖、不忘各族人民共同团结奋斗的历程。
在室温下,一定量同种规格的铝片分别与下列物质混合,开始时化学反应速率最大的是( )
A.0.25mol•L-1盐酸50mL
B.0.2mol•L-1盐酸12mL
C.0.50mol•L-1盐酸20mL
D.18mol•L-1硫酸15mL
Everything_______ well, and everyone ______ a good time.
A.go, have
B.go , has
C.goes, have
D.goes, has