【多选题】以下哪些是GB/T50430明确要求的质量管理体系文件( )。
【判断题】水活度值对微生物的生长十分重要,一般规律是,水生性较强的微生物适合在低水活度的基质中生长,而旱生微生物则宜在高水活度的基质中生长。( )
【单选题】Which of the following words can best describe her life in the old people's home?
【判断题】【第16~24次课】工件定位基准与工序基准重合时,基准不重合误差等于零。
【判断题】情绪和动机都会对问题解决产生影响。 ( )
【单选题】An old woman was badly hurt in ______ the police describe as an apparently motiveless attack.
【判断题】合唱是多声部共同合作的演唱艺术,体现出集体意识和凝聚力。合唱的艺术要求就是追求人声的和谐之美,和谐之美赋予了合唱独特的艺术魅力。
【单选题】An elderly mouse is mentioned to
A.
describe the influence of old age on mice.
B.
illustrate the effect of a meager diet on mice.
C.
tell us how mice's liver genes behave.
D.
inform. us of the process of metabolizing drugs.