用0.1000mol/LNaOH滴定0.1000mol/LHAc时指示剂应选()。
A、甲基橙
B、溴酚蓝
C、甲基红
D、酚酞
参考答案:D
阅读理解。
Good afternoon, boys and girls. I'm Li Hong. I'm an English boy. Li Hong is my Chinese name.
Look, this is a picture of my family. The tall man is my father. His name is Ken Martin. This is my
mother, Sandy Jordan. Who's that little girl? She is my sister, Lucy. Can you find me in the picture?
I'm the boy in blue.
1. This is ______ family.
A. a Chinese
B. an English
C. a Japanese
D. an American
2. There are ______ people in the picture.
A. one
B. two
C. three
D. four
3. ______ is my father.
A. Sandy
B. Ken
C. Mrs Martin
D. Mr Jordan
4. ______ is my mother.
5. —What color am I in?
— I am in ______.
A. brown
B. black
C. blue
D. red
昆体良在关于反对()的论述中,体现出对儿童人格的尊重和对正面教育的强调。