A:大陆架上
B:第二级阶梯
C:第三级阶梯
D:第一级阶梯
—Would you mind lending me your bike?—_______.
有关全球定位系统的叙述,不正确的是( )
如图,透明的圆柱形容器(容器厚度忽略不计)的高为12cm,底面周长为10cm,在容器内壁离容器底部3cm的点B处有一饭粒,此时一只蚂蚁正好在容器外壁,且离容器上沿3cm的点A处,则蚂蚁吃到饭粒需爬行的最短路径是( )
— Why did she ______ your invitation?
— Because she had an important meeting to attend that day.