题干
Another primary school is reported _______ for children in Wen Chuan now.
A：to have been built
B：to have built
C：being built
D：to be building
答案(点此获取答案解析）
A
在点（1，
）处的切线与坐标轴围成的三角形面积为（ ）
确的是 （ ）