题干
Jack’s business is not as good as before, so he has to __________ the expenses(开销) of his company.
A：cut off
B：cut away
C：cut u
D：cut dow
答案(点此获取答案解析）
D
A：cut off
B：cut away
C：cut u
D：cut dow
满足
，则由点
构成的区域面积为（ ）
