一张正方形纸的边长是10厘米，从它的边上剪去一个长3厘米、宽2厘米的长方形后，剩下的纸的周长不可能是[ ]
A．40
B．42
C．44
D．46
答案：B
下列关于文化景观的叙述正确的是
A．海南岛是文化景观
B．京九线上奔驰的火车是文化景观
C．峨嵋山上宗教建筑和旅游设施是文化景观
D．退化的草地是人文景观
根据句意及图片提示或首字母提示完成单词。
1. Let's play basketball in the _____
( ).
2. We can borrow(借) some books from the _____
3. There is a science_____ ( )in Mary's school.
4. I have lunch in the d_____ hall in our school.
5. Your answer(答案) isn't r_____ . Twenty and ten is thirty.
). 
). 
)in Mary's school.