A:没有
B:只有②④
C:①②④
D:②③④
小强用同样大的小正方体摆了一个长方体,从正面和上面看,看到的图形分别是:如图
小强摆这个长方体一共用了( )个小正方体.
Don't listen music in the classroom hallways.
“我们不要过分陶醉于我们人类对自然界的胜利,对于每一次这样的胜利,自然界都会对我们进行报复。”这说明( )
— Tom just told me a new way he had thought of new words.
— It's great. What do you think of it?