股份有限公司的现金股利发放需经公司董事会决议。()
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At formal American dinner,the knives,forks,and spoons besides the plate are placed
A. Right
B. Wrong
C. Not mentioned
The salt concentration in the liquid water of Lake Vida__________.
A. is found to be a great deal higher than that of seawater
B. was of little scientific value
C. may be older than that collected below 39 sheet of ice
D. might have come from Mars
E. is to collect some briny lake water for analysis
F. may return to life sooner than microbes frozen in the surface ice.
在学校的日常课堂教学中开展对某教学方法的实验研究,这种研究方法主要属于()