here has been a great increase in retail sales , ____ ﹖
A. does there
B. isn't there
C. hasn't there
D. isn't it
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肝性脑病患者可选用肥皂水灌肠，以减少氨的产生和吸收（）
It is the news ____ most parents of the hope that there is a safe and socially approved road to a kind of life they themselves have not had, but their children can.
A. that deprive
B. hat it deprives
C. that deprives
D. when it deprives
测血压出现舒张压的变音与消失音之间有差异时，应记录2个数值（）
冷餐原料切配时，刀具、菜墩等要先消毒，配料的水盆要定时换水（）
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