右半结肠癌包括哪些部位的癌肿（）
A.盲肠癌
B.升结肠癌
C.右半横结肠癌
D.左半结肠癌
E.乙状结肠癌
参考答案：A, B, C
The required testing for a specific task has been completed and passed. The customer is not confident of the test and requests an additional modified test, this situation indicates inadequate ______ .
A．control procedures
B．audit review
C．assurance funding
D．quality plan development
煤气液化石油气着火时，应用（）灭火。
A. 干粉灭火器
B. 清水灭火器
C. 二氧化碳灭火器
D. 泥沙
