—When did you first meet Tom?

---On May 2, ____, the first day when I got this city.

A．or other

B．at least

C．on the whole

D．in a word.

将熟鸡蛋的蛋白切成碎块放入烧杯中。在适宜条件下，下列哪组消化液对其消化效率最高

A．胆汁、肠液

B．唾液、胃液

C．肠液、胰液

D．肠液、胃液