四歲的小英耳朵痛,需要服用撲熱息痛糖漿或使用滴劑.糖漿與滴劑的作用相同,有關(guān)數(shù)據(jù)如圖所示.對于,四歲的兒童來說,服用糖漿的安全用量為6 mL,而現(xiàn)在小英家里只有撲熱息痛滴劑,那么,她使用_________mL的滴劑就相當于服用了6 mL的糖漿.

第15題                                       第16題
3解析:
p;【解析】略
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