基质酸化通常作用半径不大,通常用于解除近井堵塞。()
参考答案:对
选择适当的代词填空。
1. What is ______________ (she, her) name?
2. ______________ (Our, We) country is China.
3. My brother likes to skip with ______________ (he, his) skipping rope.
4. ______________ (It's, Its) capital city is Canberra.
5. I know about the Canada's flag. ______________ (It, It's) has a leaf.
随着建筑物层数增加,下列趋势变动正确的是()。
A.单位建筑面积分摊土地费用降低
B.单位建筑面积分摊土地费用增加
C.单位建筑面积分摊外部流通空间费用增加
D.单位建筑面积造价减少