从洋葱的鳞片叶上撕取一小块材料制成的玻片标本，属于下列哪种类型（ ）
A：涂片
B：装片
C：载玻片
D：切片
— Will you come and play football with us?
— ____________. I have a lot of homework to do now.
下列关于地球形状的描述，正确的是（ ）
