A:是就是,不是就不是
B:百尺竿头,更进一步
C:弃其糟粕,取其精华
D:终日乾乾,与时偕行
This boy is Peter Smith. His1 name is Peter. His2 name is Smith. This is3 school. His school4number is 20048567. His teacher is Miss White. Miss White 5a good teacher. Li Min is a Chinese boy. Li Min is his good 6 at school. Look!7 a pencil sharpener. Is the pencil sharpener 8? I9know. Let's10 Li Min at 495-6548.
下列月相出现的时间按先后顺序排列的是( )
汽车从静止开始先做匀加速直线运动,然后做匀速运动.汽车所受阻力恒定,下列汽车功率P与时间t的关系图象中,能描述上述过程的是( )