4424.头期胃液分泌的特点是
A.A.胃液的酸度含量较高而酶含量较低 B.B.胃液的酸度低而酶含量也低 C.C.胃液的酸度含量较高而酶含量更高 D.D.胃液酶含量较高而酸度更高 E.E.胃液的酶含量较高而酸度较低
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