干式电抗器出厂验收，绕组相间直流电阻偏差应不大于（）。
A.1%
B.2%
C.3%
D.4%
参考答案：B
The nurse is speaking to a group of women about early detection of breast cancer. The average age of the women in the group is 47. Following the American Cancer Society (ACS) guidelines, the nurse should recommend that the women（）
A. perform breast self-examination annually.
B. have a mammogram annually.
C. have a hormonal receptor assay annually.
D. have a physician conduct a clinical examination every 2 years.
在应用差额投资内部收益率法对固定资产更新改造投资项目进行决策时，如果差额是内部收益率小于行业基准折现率或资金成本率，就不应当进行更新改造。( )
