依据《职业病防治法》,职业病危害控制效果评价由依法取得资质认可的()进行。
A.卫生保健机构
B.卫生医疗机构
C.职业病医疗诊断机构
D.职业卫生技术服务机构
参考答案:D
Which of the following statements about testing software with data is (are) true Ⅰ. The primary purpose of such testing is to find errors. Ⅱ. Such testing can demonstrate the existence of errors but cannot demonstrate the absence of errors.
A. Neither
B. I only
C.Ⅱonly
D.Ⅰand Ⅱ
自欧变压器的主要缺点是()。