苏联模式是特定历史条件下的产物,它并不是社会主义的唯一模式。
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不坚持社会主义,不改革开放,不发展经济,不改善人民生活,只能是死路一条。
A. 对
B. 错
Which of the following methods can destroy all microbial forms including endospores most efficiently?
A. boiling water;
B. autoclave;
C. pasteurization;
D. 75% alcohol
Which of the following parameters is right in hot air sterilization?
A. 160 ℃ /2hrs ;
B. 160℃/1hrs ;
C. 120℃/1hrs;
D. 100℃/2hrs;
Which of the following parameters is right in autoclaving sterilization?
A. 111.3℃, 1.05kg/cm2, 15-20min, ;
B. 160℃,1.05kg/cm2,15-20min,
C. 120 ℃, 1.05kg/cm2, 1hrs;
D. 121.3℃,1.05kg/cm2,15-20min,