确诊应先做
A.B超B.CT检查C.乳腺穿刺D.细胞学检查E.以上都不是
参考答案:C
It's hard to keep the children ________ when they can't go outside and play.[ ]
A. amused
B. being amused
C. from being amused
D. amusing
二级资质及二级资质以下的房地产开发企业可以承担建筑面积()万平方米以下的开发建设项目,承担业务的具体范围由省、自治区、直辖市人民政府建设行政主管部门确定。
A.15
B.20
C.25
D.30