土地可持续利用
参考答案:
既指满足当代人对土地利用的需求,又不损害后代人利用土地资源满足其自身需求的能力,同时也不损害当代人及后代人生存和发展所需要的其它利益。
根据上句完成下句,使两句意思相同或相近, 每空一词。
1. The girl is younger than the other girls in her class.
The girl is the _______ in her class.
2. The boy can't surf, the girl can't surf, either.
The girl can't surf. _______ can the boy.
3. Tom went to school in a hurry this morning.
Tom _______ to school this morning.
4. It took the workers 20 hours to do the work.
The workers _______ 20 hours doing the work.
5. To learn English well is not very difficult.
_______ is easy_______ _______ English well.
设有如下所示的下三角矩阵A[0…8,0…8],将该三角矩阵的非零元素(即行下标不小于列下标的所有元素)按行优先压缩存储在数组M[1…m]中,则元素A[i,j](0≤i≤8,j≤i)存储在数组M的______中。