排土场利用已开采的空间进行排弃的称为（）
A.外排土场
B.内排土场
C.大型排土场
参考答案：B
—Are you still very busy？
—Yes，I ______ the report for the manager and it won’t take long．
A．have just finished
B．am just finishing
C．had just finished
D．am just going to finish
下列四幅民居图中，能反映半干旱地区气候特征的是
A、A
B、B
C、C
D、D
