甲酸不具备的性质有( )
A:酯化反应
B:银镜反应
C:中和反应
D:水解反应
句型转换。
如图所示,为人的呼吸系统图:
下列说法正确的是( )
Hello! My name is Peter. I am a student. I often have busy days. I ____ at 6:30 in the morning. I ____ at home. Then I ____ at 7:10. I____ at 7:30. I ____ at 11:45. In the afternoon, we ____ class. After school, I ____ with my friends. In the evening, I ____ or ____ . I____ at 9:00. This is my day.